Battle of Heligoland

The Battle of Heligoland was fought on 9 May 1864, during the Second Schleswig War, between a Danish squadron led by Commodore Edouard Suenson and a joint Austro-Prussian squadron commanded by the Austrian Commodore Wilhelm von Tegetthoff. The action came about as a result of the Danish blockade of German ports in the North Sea; the Austrians had sent two steam frigates, SMS Schwarzenberg and Radetzky, to reinforce the small Prussian Navy to help break the blockade. After arriving in the North Sea, Tegetthoff joined a Prussian aviso and a pair of gunboats. To oppose him, Suenson had available the steam frigates Niels Juel and Jylland and the corvette Hejmdal.

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1864  Wikimedia, Wikidata
Austrian Empire, naval battle, Kingdom of Prussia, Denmark, 

HMS Ariel, RDN Niels Juel, SM U-51, SM UC-45, SMS Hela, 

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Location: 54.05, 7.85, KML, Cluster Map, Maps,
7 places

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1864-05-09T00:00:00Z

1864-05-09T00:00:00Z

1864 Battle of Heligoland

1849-06-04T00:00:00Z

1849-06-04T00:00:00Z

1849 Battle of Heligoland

1914-08-28T00:00:00Z

1914-08-28T00:00:00Z

1914 Battle of Heligoland Bight

1917-11-17T00:00:00Z

1917-11-17T00:00:00Z

1917 Second Battle of Heligoland Bight

1939-12-18T00:00:00Z

1939-12-18T00:00:00Z

1939 Battle of the Heligoland Bight

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Frameless

Ombord på frigatten Niels Juel

Slaget ved Helgoland without frame

Ombord på frigatten Niels Juel cropped

HJ Marcher - Helgoland 1864

Josef Püttner - Schlacht bei Helgoland am 9. Mai 1864

Josef Carl Püttner Seegefecht bei Helgoland 1864

Carl Neumann - Søtræfningen ved Helgoland - 1865

Ludwig Rubelli von Sturmfest - Battle of Helgoland

The War in Denmark, the Austro-Prussian Squadron at Cuxhaven after its Defeat off Heligoland - ILN 1864

Slaget ved Helgoland

Type	Subtype	Date	Description	Notes	Source
event	armed conflict	1849	Battle of Heligoland	battle	Wikidata
event	armed conflict	1864	Battle of Heligoland	Denmark, Kingdom of Prussia, Austrian Empire, naval battle	Wikidata
event	armed conflict	1914	Battle of Heligoland Bight	German Empire, United Kingdom of Great Britain and Ireland, naval battle	Wikidata
event	armed conflict	1917	Second Battle of Heligoland Bight	battle	Wikidata
event	armed conflict	1939	Battle of the Heligoland Bight	United Kingdom, Nazi Germany, air battle	Wikidata
object	watercraft		HMS Undine	submarine, U-class submarine	Wikidata
object	watercraft		SM U-51	conventional submarine, Type U 51 submarine, U-boat	Wikidata
object	watercraft		SM UC-45	Type UC II submarine, U-boat	Wikidata
object	watercraft		SM UC-71	U-boat, Type UC II submarine	Wikidata
object	watercraft		SMS Hela	aviso	Wikidata
object	watercraft		V 1101 Preußen	Vorpostenboot, patrol vessel, fishing trawler	Wikidata
site	bunker		U-Boot-Bunker Nordsee III	submarine pen	Wikidata
site	shipwreck	1911	HMS Ariel	shipwreck, destroyer, Acheron-class destroyer	Wikidata
commons	image		Ombord på frigatten Niels Juel		Commons
commons	image		Slaget ved Helgoland without frame		Commons
commons	image		Ombord på frigatten Niels Juel cropped		Commons
commons	image		HJ Marcher - Helgoland 1864		Commons
commons	image		Josef Püttner - Schlacht bei Helgoland am 9. Mai 1864		Commons
commons	image		Josef Carl Püttner Seegefecht bei Helgoland 1864		Commons
commons	image		Carl Neumann - Søtræfningen ved Helgoland - 1865		Commons
commons	image		Ludwig Rubelli von Sturmfest - Battle of Helgoland		Commons
commons	image		The War in Denmark, the Austro-Prussian Squadron at Cuxhaven after its Defeat off Heligoland - ILN 1864		Commons
commons	image		Slaget ved Helgoland		Commons