1 September 1942
HMCS Morden launches three depth charge attacks against U-756 astern of a convoy. Years later the corvette is given credit for the U-boat’s destruction.

2-3 September 1918
The Canadian 1st and 4th divisions lead the assault on the Drocourt-Quéant Line at the end of the Second Battle of Arras.

5 September 1918
The Royal Canadian Navy Air Service is authorized to operate United States Navy air stations in Nova Scotia.

6 September 1943
Over the next four weeks, the RCAF destroys four U-boats in the Atlantic.

7-10 September 1939
Canada’s Parliament meets in special sessions, pledges support to Britain and France, and declares war on Germany.

12 September 1919
Edward, Prince of Wales(who will reign as King Edward VIII for one year in 1936) arrives in Edmonton on his postwar tour of Canada.

13 September 1759
The British are victorious at the Battle of the Plains of Abraham, but General James Wolfe and French General Louis-Joseph de Montcalm both die of wounds.

15-16 September 1993
Four Canadians are wounded in 15 hours of fierce fighting with Croatian forces in the Battle of the Medak Pocket while trying to enforce a ceasefire agreement.

17 September 1949
Future Prime Minister Lester B. Pearson represents Canada at the first session of the North Atlantic Council, which governs NATO.

19-20 September 1944
San Fortunato Ridge, Italy, is captured by Canadians.

20 September 1917
The War Tax Act—to help pay First World War expenses—receives royal assent and income tax becomes permanent in Canada.

22 September 1941
University air training squadrons are formed.

23-28 September 1944
The 5th Canadian Armoured Division pursues German forces to the Fiumicino River in Italy during the battles for the Gothic and Rimini lines.

25 September 1942
An RCAF aircraft flown by Squadron Leader K.A. Boomer destroys a Japanese seaplane over Kiska in the Aleutian Islands.

26 September 1939
Britain proposes that Canada be responsible for the training of Commonwealth airmen.

28 September 2003
The Monument to Canadian Fallen, erected to honour those who died while serving in the Korean War, is dedicated in Ottawa.

29 September 1962
Alouette 1, Canada’s first satellite, is launched at Cape Canaveral, Florida.

30 September 1811
General Brock becomes Lieutenant Governor of Upper Canada.