Date in year · 1915 · The 1910s
February 18, 1915
On February 18, 1915, u-boat Campaign: The Imperial German Navy institutes unrestricted submarine warfare in the waters around Great Britain and Ireland.
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1915
1910s
Featured · February 18, 1915
U-boat Campaign: The Imperial German Navy institutes unrestricted submarine warfare in the waters around Great Britain and Ireland.
The U-boat campaign from 1914 to 1918 was the World War I naval campaign fought by German U-boats against the trade routes of the Allies, largely in the seas around the British Isles and in the Mediterranean, as part of a mutual blockade between the German Empire and the United Kingdom.
Around 1915
The year in brief
1915 (MCMXV) was a common year starting on Friday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1915th year of the Common Era (CE) and Anno Domini (AD) designations, the 915th year of the 2nd millennium, the 15th year of the 20th…
What happened
On February 18, 1915
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1915 U-boat Campaign: The Imperial German Navy institutes unrestricted submarine warfare in the waters around Great Britain and Ireland. WWI German naval campaign to attack Allied trade routes (1914–18)
The U-boat campaign from 1914 to 1918 was the World War I naval campaign fought by German U-boats against the trade routes of the Allies, largely in the seas around the British Isles and in the Mediterranean, as part of a mutual blockade between the German Empire and the United Kingdom.
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Died on February 18, 1915
Elsewhere that year
Other moments from 1915
- April 18 World War I: French pilot Roland Garros is shot down and glides to a landing on the German side of the lines.
- April 22 World War I: The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
- April 24 The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian genocide.
- April 25 World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops begins with landings at Anzac Cove and Cape Helles.
- April 26 World War I: Italy secretly signs the Treaty of London pledging to join the Allied Powers.
- August 1 Patrick Pearse gives his famous speech "Ireland unfree shall never be at peace" at O'Donovan Rossa's funeral in Dublin.
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