Dates |
Events |
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April 5 – May 5
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First Battle of Woevre.
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April 19 – May 17
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The Ottomans besiege the Armenian city of Van.
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Details
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April 22 – May 25
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The Second Battle of Ypres, which ends in a stalemate. Germany first uses poison gas.
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Details
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April 24 – May 5
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Battle of St Julien, part of the Second Battle of Ypres.
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May 1
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The Gorlice-Tarnów begins: the German troops under General Mackensen break through the Russian lines in Galicia.
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Details
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Battle of Eski Hissarlik.
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May 3
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Troops withdraw from Anzac Cove.
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Details
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May 6–8
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Second Battle of Krithia; the Allied attempts at advancing are thwarted again.
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Details
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May 7
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The British liner Lusitania is sunk by a German U-boat.
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Details
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May 8–13
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Battle of Frezenberg Ridge, part of the Second Battle of Ypres.
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May 9 – June 18
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Second Battle of Artois.
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May 9
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Battle of Aubers Ridge, a phase of the Second Battle of Artois.
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May 10
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Troops from Hungary rout the Russians at Jarosław; Lviv is again in Austrian hands.
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May 11
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Armistice called at Gallipoli to bury the dead.
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Details
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May 12
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Windhoek, capital of German South-West Africa, is occupied by South African troops.
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Details
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May 15–25
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Battle of Festubert.
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May 16 – June 23
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Battle of Konary.
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May 23
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Italy declares war on Austria-Hungary.
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Details
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May 24–25
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Battle of Bellewaarde, final phase of the Second Battle of Ypres.
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