Canada
Tag
(55)1914
1915
February
April
- 22
- Key eventSecond Battle of Ypres beginsOn 22 April 1915 the Germans released a cloud of chlorine at Ypres. Two French divisions broke, and a gap several kilometres wide opened north of the town.
- Key eventBattle of Gravenstafel Ridge beginsOn the night of 22–23 April 1915 Canadians counter-attacked at Ypres to close the gas-attack gap. Of 1,500 men who charged the wood, under 500 were left.
May
- 25
- End of the Second Battle of YpresOn 25 May 1915 the Second Battle of Ypres died down. After five weeks of fighting and gas attacks the Germans had shrunk the salient but not taken Ypres.
- End of the Battle of FestubertOn 25 May 1915 the London 47th Division took a German trench at Festubert and French decided to halt the offensive. Ten days of fighting cost 16,600 men.
July
1916
1917
March
April
- 09
- Key eventBattle of Arras (1917) beginsOn Easter Monday, 9 April 1917, the British and Canadians attacked at Arras. In one day they advanced 5 km and took thousands of prisoners.
- Key eventAssault on Vimy RidgeOn 9 April 1917, in a snowstorm, four Canadian divisions attacked Vimy Ridge. By evening they held almost all of it except the highest point, Hill 145.
May
June
July
August
October
November
December
1918
April
May
June
August
September
October
- 01
- End of the Battle of the Canal du NordOn 1 October 1918 the Canadians attacked north of Cambrai for the last time. They gained 1.5 km and a hill above the city, after which Horne halted the advance.
- Canadians in ArchangelOn 1 October 1918 the 16th Brigade, Canadian Field Artillery, arrived at Archangel. General Edmund Ironside came with the same convoy.