Canadian navy ships Iroquois (2nd) and Fredericton (2nd) arrive in the Arabian Gulf. They join HMCS Regina as part of a U.S.-led task force involved in maritime surveillance.
The intensive phase begins for the preliminary bombardment for the assault on Vimy Ridge in France. For seven days German positions are subject to more than a million artillery rounds. The bombardment not only smashes German defences, but prevents food, water and supplies from reaching the front.
A severe tornado hits Windsor, Ont., killing nine people and injuring several others.
While flying a PBY-5 flying boat, Squadron Leader L.J. Birchall and his crew spot and report a Japanese naval force heading toward the island of Ceylon. Birchall’s plane is shot down and he and the other surviving crew are taken prisoner, but their warning allows the island’s defenders to prepare for the Japanese attempt to take the island. For his actions, Birchall earns the name Saviour of Ceylon and is awarded the Distinguished Flying Cross.
The North Atlantic Treaty Organization is established. Canada is among the 12 countries to sign the North Atlantic Treaty in Washington D.C.
While on a tour of Mideast ports to demonstrate Canadian warship technology, the Canadian frigate HMCS Fredericton answers a distress call from a yacht under pirate attack. The yacht is saved.
With the Royal Canadian Navy now the third largest navy in the world, the cruiser HMCS Uganda arrives in the Pacific to join the war against Japan.
Thomas D’arcy McGee, a father of Confederation, is assassinated in Ottawa.
In Korea, soldiers from the Princess Patricia’s Canadian Light Infantry attack objectives across the 38th Parallel and are successful.