After Canadian participation in the Second Boer War, the need for domestic supporting organizations was made evident.

Canadian participation in the First World War began with the unusual step of scrapping all mobilization plans, and creating a field force from scratch.

Canadian participation in the World Wars was both divisive and unifying in different ways.

English Canadian opinion was also overwhelmingly in favour of active Canadian participation in the war.

Since 1995, however, Canadian direct participation in UN peacekeeping efforts has greatly declined.

He was sent overseas, where he served as an officer during Canadian participation in the Italian campaign.

Opposition to Canadian participation in the Iraq War in 2003.

The pacemaker invented with significant Canadian participation was used to treat patients with arrhythmia.

During the election campaign, Mr. Chretien had threatened to withhold Canadian participation unless certain conditions were met.

The Canadian participation in this campaign quieted the uproar of the Canadian home front.