Error: Invalid JSON (<!DOCTYPE html> <html lang="en"> <head>

   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Wikimedia Commons SPARQL Query Error</title>
   <script src="https://cdn.tailwindcss.com"></script>
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap" rel="stylesheet">
   <style>
       body {
           font-family: 'Inter', sans-serif;
           background-color: #f3f4f6;
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       .container {
           max-width: 900px;
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       .error-box {
           background-color: #fee2e2;
           color: #ef4444;
           padding: 1.5rem;
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           border: 1px solid #ef4444;
           word-wrap: break-word; /* Ensure long URLs/messages wrap */
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</head> <body class="p-4 flex items-center justify-center min-h-screen">

SPARQL Query Service

Operation Failed:

An error occurred during query execution: HTTP Error: 400 Response: SPARQL-QUERY: queryStr= SELECT DISTINCT ?item ?file ?date ?label ?qualityLabel ?latitude ?longitude ?type ?subtype ?source WHERE { SERVICE wikibase:label {bd:serviceParam wikibase:language 'en'} { SELECT DISTINCT ?item ?file ?date ?label ?quality ?latitude ?longitude ?type ?subtype ?source WHERE { { SELECT DISTINCT ?item ?date ?file ?type ?subtype ?source (COALESCE(?label1,?label2) AS ?label) (SAMPLE (COALESCE(?latitude1,?latitude2)) AS ?latitude) (SAMPLE (COALESCE(?longitude1,?longitude2)) AS ?longitude) (SAMPLE(?qualitylist) AS ?quality) WHERE { {?item wdt:P180 wd:Q24661828} UNION {SERVICE wikibase:mwapi{ bd:serviceParam wikibase:api 'Generator' . bd:serviceParam wikibase:endpoint 'commons.wikimedia.org' . bd:serviceParam mwapi:gcmtitle 'Category:St Leonard's Tower, West Malling' . bd:serviceParam mwapi:generator 'categorymembers' . bd:serviceParam mwapi:gcmtype 'file' . bd:serviceParam mwapi:gcmlimit 'max' . ?title wikibase:apiOutput mwapi:title . ?pageid wikibase:apiOutput '@pageid' . } BIND (URI(CONCAT('https://commons.wikimedia.org/entity/M', ?pageid)) AS ?item) } OPTIONAL {?item rdfs:label ?label1 FILTER(LANG(?label1) = 'en')} ?item schema:url ?url. BIND (CONCAT('File:',wikibase:decodeUri(substr(str(?url),52))) AS ?file) BIND(REPLACE(REPLACE(?file, '^File:', ), '.[^.]*$', ) AS ?label2) OPTIONAL {?item wdt:P571 ?date} OPTIONAL {?item wdt:P6731 ?qualitylist} OPTIONAL { ?item p:P1259 ?position1. ?position1 psv:P1259/wikibase:geoLatitude ?latitude1a. ?position1 psv:P1259/wikibase:geoLongitude ?longitude1a. BIND(STR(?latitude1a) AS ?latitude1) BIND(STR(?longitude1a) AS ?longitude1) } OPTIONAL { ?item p:P9149 ?position2. ?position2 psv:P9149/wikibase:geoLatitude ?latitude2a. ?position2 psv:P9149/wikibase:geoLongitude ?longitude2a. BIND(STR(?latitude2a) AS ?latitude2) BIND(STR(?longitude2a) AS ?longitude2) } BIND(CONCAT('commons') AS ?type) BIND(CONCAT('image') AS ?subtype) BIND(CONCAT('Commons') AS ?source) FILTER ( STRENDS(LCASE(STR(?file)), '.jpg') || STRENDS(LCASE(STR(?file)), '.jpeg') ) } GROUP BY ?item ?date ?file ?label1 ?label2 ?latitude1 ?latitude2 ?longitude1 ?longitude2 ?type ?subtype ?source } } ORDER BY DESC(?quality) ASC(?date) LIMIT 10 } } GROUP BY ?item ?file ?date ?label ?qualityLabel ?latitude ?longitude ?type ?subtype ?source ORDER BY ASC(?date) java.util.concurrent.ExecutionException: org.openrdf.query.MalformedQueryException: Lexical error at line 16, column 68. Encountered: " " (32), after : "s" at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:206) at com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:292) at com.bigdata.rdf.sail.webapp.QueryServlet.doSparqlQuery(QueryServlet.java:678) at com.bigdata.rdf.sail.webapp.QueryServlet.doPost(QueryServlet.java:275) at com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:269) at com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:195) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655) at org.wikidata.query.rdf.blazegraph.throttling.ThrottlingFilter.doFilter(ThrottlingFilter.java:322) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.throttling.SystemOverloadFilter.doFilter(SystemOverloadFilter.java:84) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at ch.qos.logback.classic.helpers.MDCInsertingServletFilter.doFilter(MDCInsertingServletFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.QueryEventSenderFilter.doFilter(QueryEventSenderFilter.java:125) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.ClientIPFilter.doFilter(ClientIPFilter.java:43) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.JWTIdentityFilter.doFilter(JWTIdentityFilter.java:66) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RealAgentFilter.doFilter(RealAgentFilter.java:33) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RequestConcurrencyFilter.doFilter(RequestConcurrencyFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1340) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1242) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:503) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) at java.lang.Thread.run(Thread.java:750) Caused by: org.openrdf.query.MalformedQueryException: Lexical error at line 16, column 68. Encountered: " " (32), after : "s" at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:404) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:741) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:695) at com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more Caused by: com.bigdata.rdf.sail.sparql.ast.TokenMgrError: Lexical error at line 16, column 68. Encountered: " " (32), after : "s" at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilderTokenManager.getNextToken(SyntaxTreeBuilderTokenManager.java:3994) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.jj_ntk(SyntaxTreeBuilder.java:9637) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.RDFLiteral(SyntaxTreeBuilder.java:7189) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphTerm(SyntaxTreeBuilder.java:3893) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.VarOrTermOrTRefP(SyntaxTreeBuilder.java:8714) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphNodePath(SyntaxTreeBuilder.java:3786) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectPath(SyntaxTreeBuilder.java:3467) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectListPath(SyntaxTreeBuilder.java:3044) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.PropertyListPath(SyntaxTreeBuilder.java:2992) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesSameSubjectPath(SyntaxTreeBuilder.java:2919) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesBlock(SyntaxTreeBuilder.java:2321) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.BasicGraphPattern(SyntaxTreeBuilder.java:2097) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2034) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ServiceGraphPattern(SyntaxTreeBuilder.java:2534) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2370) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2459) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2056) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SelectQuery(SyntaxTreeBuilder.java:377) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.Query(SyntaxTreeBuilder.java:328) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.QueryContainer(SyntaxTreeBuilder.java:216) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.parseQuery(SyntaxTreeBuilder.java:32) at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:336) ... 7 more

</body> </html>).

St Leonard's Tower is a probable Norman keep in West Malling, in the county of Kent, England. The tower was probably built by Gundulf, the Bishop of Rochester, between 1077 and 1108. It was a three-storey building, constructed of local stone, and would have stood at least 22 metres (72 ft) high. At a later point, probably during the English Civil War, the tower was deliberately damaged to prevent it being used for military purposes, and its uppermost storey was demolished. Concerns grew about the tower's condition in the 20th century and in 1937 it was taken into the guardianship of the state. In the 21st century, it is managed by English Heritage and the exterior is open to visitors.

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Website, Wikimedia, Wikidata
St Leonard's Tower, West Malling
tower, English Heritage, keep, Tower keep castle at West Malling,

Gatehouse Gazetteer page^@
British Listed Buildings page^@
Grade I listed building page^@
Grade II listed building page^@
Grade II listed park and garden page^@
Grade II* listed building page^@
National Heritage List for England page^@
Tripadvisor page^@

Location: 51.2882, 0.4021, KML, Cluster Map, Maps,
83 places

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Battle of the Medway ⓘ
43 battle
Battle of Aylesford ⓘ
battle between Britons and Anglo-Saxons, fought at Aylesford, Kent, England
Battle of Crayford ⓘ
457 battle
Battle of Otford ⓘ
776 battle
Battle of Maidstone ⓘ
1648 battle that took place during the Second English Civil War
Raid on the Medway ⓘ
Dutch naval attack (1667) during the Second Anglo-Dutch War
Avery Hill Heavy Anti Aircraft Battery (ZS7) ⓘ
WW2 anti-aircraft site in eltham
Bostall Heath Heavy Anti Aircraft Battery (ZS4) ⓘ
WW2 anti-aircraft site in Erith
East Tilbury Battery ⓘ
artillery battery in Thurrock, Essex, England, UK
Erith Marshes Heavy Anti-Aircraft Battery ⓘ
ww2 anti aircraft battery in Bexley, London, England, UK
Heavy Anti-aircraft gunsite, 170m south west of the junction of Cedar Road and West Crescent ⓘ
fortification in Canvey Island, Castle Point, England, UK
Heavy Anti-aircraft gunsite, 380m east of Northwick Farm ⓘ
anti-aircraft mount in Canvey Island, Castle Point, England, UK
Second World War anti-aircraft battery at Bowaters Farm ⓘ
anti-aircraft battery in Thurrock, Essex, England, UK
Slough Fort and wing batteries ⓘ
fortifications in Allhallows, Kent, England, UK
World War II Heavy Anti-aircraft gunsite (TS15), 250m east of Cobhambury Farm ⓘ
anti-aircraft mount in Cobham, Gravesham, England, UK
World War II Heavy Anti-aircraft gunsite (TS2), 300m east of Chetney Cottages ⓘ
anti-aircraft mount in Iwade, Swale, England, UK
World War II Heavy Anti-aircraft gunsite (TS3) at Wetham Green, 460m north of Red Brick Cottage ⓘ
anti-aircraft mount in Upchurch, Swale, England, UK
Dummy Battery ⓘ
disused gun battery in Kent, England
Grain Wing Battery ⓘ
fort in United Kingdom
Bexley Emergency Centre ⓘ
civil defence centre in London, UK
Chislehurst South East London Group Control ⓘ
civil defence centre in London, UK
Dartford Emergency Centre ⓘ
civil defence centre in Kent
Gillingham Borough Control ⓘ
civil defence centre in Kent, UK
Hollingbourne Second World War Zero Station ⓘ
scheduled monument in England
Maidstone Royal Observer Corps Group Headquarters ⓘ
British Cold War command centre in Kent
Maidstone Springfields Kent County Emergency Centre ⓘ
civil defence centre in Kent
Queenborough Sub Control ⓘ
civil defence centre in Kent
Rochester Short Brothers Factory and Public Air Raid Shelter ⓘ
underground factory and air-raid shelter in Rochester, Kent, UK
Tunbridge Wells Regional War Room ⓘ
Cold War control bunker in Tunbridge Wells, Kent, England, UK
Vange Anti-Aircraft Operations Room ⓘ
British air defence bunker
Broadwater Down bunker ⓘ
WWII command bunker near Tunbridge Wells, UK
Gravesend Cold War Bunker ⓘ
Cold War control bunker in Gravesend, Kent, England, UK
Greenwich Borough Control Bunker 51C1 ⓘ
Cold-war regional control bunker
Chiddingstone Castle ⓘ
house museum in Kent, England, United Kingdom
Eynsford Castle ⓘ
castle, now ruinous, in Eynsford, Kent, England, UK
Lullingstone Castle ⓘ
historic manor house in the village of Lullingstone in England
Sutton Valence Castle ⓘ
castle in Sutton Valence, Kent, England, UK
Tonbridge Castle ⓘ
Grade I listed castle in Tonbridge and Malling, Kent, England, UK
Rochester Castle ⓘ
castle in Rochester, Kent, South East England
Leeds Castle ⓘ
castle in Kent, England, UK
Hever Castle ⓘ
Grade I listed country house in Hever, Kent, England, UK
Allington Castle ⓘ
stone-built moated castle in Allington, England
Cooling Castle ⓘ
quadrangular castle in Cooling, Medway, Kent, United Kingdom
Upnor Castle ⓘ
fort located on the River Medway in Kent
Fort Amherst ⓘ
fort in Chatham, UK
Fort Bridgewoods ⓘ
former military facility in Medway, England
Fort Darland ⓘ
Chatham Ring Fort in Kent, UK
Grange Redoubt ⓘ
New Tavern Fort ⓘ
historic artillery fort in Gravesend, Kent, England, UK
Shornemead Fort ⓘ
fort in Shorne, Kent, England, UK
Woodlands Redoubt ⓘ
Tilbury Fort ⓘ
bastioned fort on the Thames Estuary
Cockham Wood Fort ⓘ
fort in Hoo St Werburgh, Kent, England, UK
Fort Pitt ⓘ
fort in Kent, England, UK
Fort Clarence ⓘ
fort in Medway, Kent, England, UK
Cliffe Fort ⓘ
fortification
Fort Hoo ⓘ
Disused military installation in Kent, England, UK
Garrison Point Fort ⓘ
fort in Sheerness, Kent, England, UK
Grain Fort ⓘ
fort at the mouth of the Medway, Kent, UK
Slough Fort ⓘ
fort in Allhallows, Kent, England, UK
Fort Darnet ⓘ
Disused military installation in Kent, England, UK
Fort Luton ⓘ
Medway fort
Coalhouse Fort ⓘ
artillery fort at Coalhouse Point in Essex, England, UK
Fort Horsted ⓘ
fort in Medway, Kent, England, UK
Fort Borstal ⓘ
fort in Medway, Kent, England, UK
Fort Farningham ⓘ
fort in Farningham, Sevenoaks, England, UK
Woldingham Fort ⓘ
London mobilisation centre
Fort Halstead ⓘ
army mobilisation centre in Kent that became a military research centre
Chatham Dockyard ⓘ
former Royal Navy Dockyard located on the River Medway in Kent, United Kingdom
Chatham Historic Dockyard ⓘ
maritime museum in Chatham, Kent, England
Quebec House ⓘ
Grade I listed military museum in Westerham, Sevenoaks, Kent, England, UK
HMS Gannet ⓘ
1878 Doterel-class screw sloop
PS Medway Queen ⓘ
1924 paddle steamer
HMS Cavalier ⓘ
1944 C-class destroyer
HMS Ocelot ⓘ
1962 Oberon-class submarine
Shoreham Aircraft Museum ⓘ
museum in Kent, England
Royal Engineers Museum ⓘ
military museum in Gillingham, Kent, England, UK
Purfleet Heritage & Military Centre ⓘ
museum in Purfleet, Essex, UK
Biggin Hill Memorial Museum ⓘ
museum in Biggin Hill, England, UK
HMS Princess Irene ⓘ
1914 ocean liner converted to minelayer
HMS Royal James ⓘ
1658 second-rate ship of the line
St Leonards Tower ⓘ
Grade I listed tower in West Malling, Kent, England, UK
Grain Tower ⓘ
tower in Isle of Grain, Medway, Kent, England, UK

0043-01-01T00:00:00Z

43 Battle of the Medway

0455-01-01T00:00:00Z

455 Battle of Aylesford

0457-01-01T00:00:00Z

457 Battle of Crayford

0776-01-01T00:00:00Z

776 Battle of Otford

1648-06-01T00:00:00Z

1648 Battle of Maidstone

1667-06-09T00:00:00Z

1667-06-14T00:00:00Z

1667 Raid on the Medway

1867-01-01T00:00:00Z

1867 Dummy Battery

1890-01-01T00:00:00Z

1890 Grain Wing Battery

1940-01-01T00:00:00Z

1940 Broadwater Down bunker

1954-01-01T00:00:00Z

1954 Gravesend Cold War Bunker

1954-01-01T00:00:00Z

1954 Greenwich Borough Control Bunker 51C1

1087-01-01T00:00:00Z

1087 Rochester Castle

1119-01-01T00:00:00Z

1119 Leeds Castle

1271-01-01T00:00:00Z

1271 Hever Castle

1279-01-01T00:00:00Z

1279 Allington Castle

1380-01-01T00:00:00Z

1380 Cooling Castle

1567-01-01T00:00:00Z

1567 Upnor Castle

1539-01-01T00:00:00Z

1539 Tilbury Fort

1669-01-01T00:00:00Z

1669 Cockham Wood Fort

1805-01-01T00:00:00Z

1805 Fort Pitt

1808-01-01T00:00:00Z

1808 Fort Clarence

1861-01-01T00:00:00Z

1861 Cliffe Fort

1861-01-01T00:00:00Z

1861 Fort Hoo

1861-01-01T00:00:00Z

1861 Garrison Point Fort

1861-01-01T00:00:00Z

1861 Grain Fort

1867-01-01T00:00:00Z

1867 Slough Fort

1870-01-01T00:00:00Z

1870 Fort Darnet

1876-01-01T00:00:00Z

1876 Fort Luton

1877-01-01T00:00:00Z

1877 Coalhouse Fort

1880-01-01T00:00:00Z

1880 Fort Horsted

1885-01-01T00:00:00Z

1885 Fort Borstal

1890-01-01T00:00:00Z

1890 Fort Farningham

1890-01-01T00:00:00Z

1890 Woldingham Fort

1895-01-01T00:00:00Z

1895 Fort Halstead

1567-01-01T00:00:00Z

1984-01-01T00:00:00Z

1567 — 1984 Chatham Dockyard

1878-01-01T00:00:00Z

1878 HMS Gannet

1924-01-01T00:00:00Z

1964-01-01T00:00:00Z

1924 — 1964 PS Medway Queen

1944-11-22T00:00:00Z

1972-01-01T00:00:00Z

1944 — 1972 HMS Cavalier

1964-01-31T00:00:00Z

1964 HMS Ocelot

1978-01-01T00:00:00Z

1978 Shoreham Aircraft Museum

1987-01-01T00:00:00Z

1987 Royal Engineers Museum

1995-01-01T00:00:00Z

1995 Purfleet Heritage & Military Centre

2019-01-01T00:00:00Z

2019 Biggin Hill Memorial Museum

1658-01-01T00:00:00Z

1658 HMS Royal James

1848-01-01T00:00:00Z

1848 Grain Tower

{"selectable":false,"showCurrentTime":false,"width":"100%","zoomMin":100000000000}

Frameless

Type	Subtype	Date	Description	Notes	Source

event	armed conflict	43	Battle of the Medway	Vespasian, battle, Galba, Aulus Plautius, Caratacus, Togodumnus, Gnaeus Hosidius Geta, Ancient Rome, Titus Flavius Sabinus	Wikidata
event	armed conflict	455	Battle of Aylesford	battle	Wikidata
event	armed conflict	457	Battle of Crayford	Saxons, Celtic Britons, battle	Wikidata
event	armed conflict	776	Battle of Otford	battle	Wikidata
event	armed conflict	1648	Battle of Maidstone	Roundhead, Cavalier, battle	Wikidata
event	armed conflict	1667	Raid on the Medway	Kingdom of England, naval battle, raid, Dutch Republic	Wikidata
link	page		Gatehouse Gazetteer page^@		Wikidata
link	page		British Listed Buildings page^@		Wikidata
link	page		Grade I listed building page^@		Wikidata
link	page		Grade II listed building page^@		Wikidata
link	page		Grade II listed park and garden page^@		Wikidata
link	page		Grade II* listed building page^@		Wikidata
link	page		National Heritage List for England page^@		Wikidata
link	page		Tripadvisor page^@		Wikidata
object	watercraft		SM UB-122	Type UB III submarine, submarine	Wikidata
object	watercraft		SM UB-144	U-boat, Type UB III submarine	Wikidata
object	watercraft		SM UB-145	U-boat, Type UB III submarine	Wikidata
object	watercraft		SM UB-150	U-boat, Type UB III submarine	Wikidata
object	watercraft		SM UC-6	Type UC I submarine, U-boat	Wikidata
site	artillery battery		Avery Hill Heavy Anti Aircraft Battery (ZS7)	anti-aircraft battery	Wikidata
site	artillery battery		Bostall Heath Heavy Anti Aircraft Battery (ZS4)	anti-aircraft battery	Wikidata
site	artillery battery		East Tilbury Battery	artillery battery	Wikidata
site	artillery battery		Erith Marshes Heavy Anti-Aircraft Battery	anti-aircraft battery	Wikidata
site	artillery battery		Heavy Anti-aircraft gunsite, 170m south west of the junction of Cedar Road and West Crescent	artillery battery	Wikidata
site	artillery battery		Heavy Anti-aircraft gunsite, 380m east of Northwick Farm	anti-aircraft battery	Wikidata
site	artillery battery		Second World War anti-aircraft battery at Bowaters Farm	anti-aircraft battery	Wikidata
site	artillery battery		Slough Fort and wing batteries	artillery battery, fort	Wikidata
site	artillery battery		World War II Heavy Anti-aircraft gunsite (TS15), 250m east of Cobhambury Farm	anti-aircraft battery	Wikidata
site	artillery battery		World War II Heavy Anti-aircraft gunsite (TS2), 300m east of Chetney Cottages	anti-aircraft battery	Wikidata
site	artillery battery		World War II Heavy Anti-aircraft gunsite (TS3) at Wetham Green, 460m north of Red Brick Cottage	anti-aircraft battery	Wikidata
site	artillery battery	1867	Dummy Battery	artillery battery	Wikidata
site	artillery battery	1890	Grain Wing Battery	artillery battery	Wikidata
site	bunker		Bexley Emergency Centre	civil defense center, London Borough of Bexley	Wikidata
site	bunker		Chislehurst South East London Group Control	civil defense center	Wikidata
site	bunker		Dartford Emergency Centre	Dartford Borough Council, civil defense center	Wikidata
site	bunker		Gillingham Borough Control	civil defense center, Gillingham Borough Council	Wikidata
site	bunker		Hollingbourne Second World War Zero Station	underground structure, bunker	Wikidata
site	bunker		Maidstone Royal Observer Corps Group Headquarters	Royal Observer Corps, Royal Observer Corps Group Headquarters, bunker	Wikidata
site	bunker		Maidstone Springfields Kent County Emergency Centre	civil defense center, Kent County Council	Wikidata
site	bunker		Queenborough Sub Control	civil defense center, Kent County Council	Wikidata
site	bunker		Rochester Short Brothers Factory and Public Air Raid Shelter	air-raid shelter, Short Brothers, factory	Wikidata
site	bunker		Tunbridge Wells Regional War Room	bunker	Wikidata
site	bunker		Vange Anti-Aircraft Operations Room	Royal Air Force, bunker	Wikidata
site	bunker	1940	Broadwater Down bunker	bunker	Wikidata
site	bunker	1954	Gravesend Cold War Bunker	military museum, bunker	Wikidata
site	bunker	1954	Greenwich Borough Control Bunker 51C1	civil defense center, Royal Borough of Greenwich	Wikidata
site	castle		Chiddingstone Castle	independent museum, historic house museum, castle, house	Wikidata
site	castle		Eynsford Castle	English Heritage, archaeological site, castle	Wikidata
site	castle		Lullingstone Castle	historic house museum, English country house, castle	Wikidata
site	castle		Sutton Valence Castle	castle, English Heritage	Wikidata
site	castle		Tonbridge Castle	castle	Wikidata
site	castle	1087	Rochester Castle	English Heritage, castle	Wikidata
site	castle	1119	Leeds Castle	historic house museum, English country house, castle	Wikidata
site	castle	1271	Hever Castle	castle, quadrangular castle, historic house museum, English country house	Wikidata
site	castle	1279	Allington Castle	English country house, castle	Wikidata
site	castle	1380	Cooling Castle	quadrangular castle	Wikidata
site	castle	1567	Upnor Castle	military museum, English Heritage, castle	Wikidata
site	fort		Fort Amherst	independent museum, military museum, fort	Wikidata
site	fort		Fort Bridgewoods	fort, bunker	Wikidata
site	fort		Fort Darland	fort	Wikidata
site	fort		Grange Redoubt	redoubt	Wikidata
site	fort		New Tavern Fort	military museum, fort	Wikidata
site	fort		Shornemead Fort	Royal Society for the Protection of Birds, archaeological site, fort	Wikidata
site	fort		Woodlands Redoubt	redoubt	Wikidata
site	fort	1539	Tilbury Fort	military museum, fort, English Heritage	Wikidata
site	fort	1669	Cockham Wood Fort	fort	Wikidata
site	fort	1805	Fort Pitt	fort	Wikidata
site	fort	1808	Fort Clarence	fort	Wikidata
site	fort	1861	Cliffe Fort	fort	Wikidata
site	fort	1861	Fort Hoo	fort	Wikidata
site	fort	1861	Garrison Point Fort	fort	Wikidata
site	fort	1861	Grain Fort	fort	Wikidata
site	fort	1867	Slough Fort	military museum, fort	Wikidata
site	fort	1870	Fort Darnet	fort	Wikidata
site	fort	1876	Fort Luton	fort	Wikidata
site	fort	1877	Coalhouse Fort	military museum, fort	Wikidata
site	fort	1880	Fort Horsted	fort	Wikidata
site	fort	1885	Fort Borstal	fort	Wikidata
site	fort	1890	Fort Farningham	fort	Wikidata
site	fort	1890	Woldingham Fort	fort	Wikidata
site	fort	1895	Fort Halstead	fort	Wikidata
site	military base	1567	Chatham Dockyard	shipbuilding, Royal Navy Dockyard	Wikidata
site	museum		Chatham Historic Dockyard	independent museum, military museum, maritime museum	Wikidata
site	museum		Quebec House	National Trust, military museum, historic house museum	Wikidata
site	museum	1878	HMS Gannet	screw sloop, composite ship, preserved watercraft, museum ship, Royal Navy	Wikidata
site	museum	1924	PS Medway Queen	preserved watercraft, museum ship, paddle steamer, tripadvisor	Wikidata
site	museum	1944	HMS Cavalier	preserved watercraft, museum ship, destroyer, Royal Navy, tripadvisor	Wikidata
site	museum	1964	HMS Ocelot	preserved watercraft, attack submarine, museum ship, Royal Navy, tripadvisor	Wikidata
site	museum	1978	Shoreham Aircraft Museum	military museum	Wikidata
site	museum	1987	Royal Engineers Museum	charitable organization, independent museum, military museum	Wikidata
site	museum	1995	Purfleet Heritage & Military Centre	heritage center, military museum	Wikidata
site	museum	2019	Biggin Hill Memorial Museum	military museum	Wikidata
site	shipwreck		HMS Princess Irene	ocean liner, shipwreck, minelayer	Wikidata
site	shipwreck	1658	HMS Royal James	second-rate, shipwreck	Wikidata
site	tower		St Leonards Tower	English Heritage, keep, tower	Wikidata
site	tower	1848	Grain Tower	battery tower	Wikidata

St Leonards Tower

From Warlike

Q24661828

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