history of Canada in World War I began on August 4, 1914, when the United Kingdom entered the First World War (1914–1918) by declaring war on Germany...

List of Canadian divisions in World War I: 1st Canadian Division embarked for France February 1915. 2nd Canadian Division embarked September 1915. 3rd...

Canada during World War II begins with the German invasion of Poland on 1 September 1939. While the Canadian Armed Forces were eventually active in nearly...

World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a global conflict between two coalitions: the Allies...

2006, the House of Commons of Canada approved a state funeral for the last World War I veteran to have served in the Canadian forces, but this was declined...

The total number of military and civilian casualties in World War I was about 40 million: estimates range from around 15 to 22 million deaths and about...

The development of tanks in World War I was a response to the stalemate that developed on the Western Front. Although vehicles that incorporated the basic...

During World War I (1914–1918), belligerents from both the Allied Powers and Central Powers violated international criminal law, committing numerous war crimes...

The United States entered into World War I on 6 April 1917, more than two and a half years after the war began in Europe. Apart from an Anglophile element...

Canadian pipers in World War I were soldiers who contributed to the First World War by playing the bagpipes as they marched the troops to the front. These...

Powers of Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria in World War I (1914–1918). By the end of the first decade of the 20th century, the...

the technology of warfare in general. This trend began at least fifty years prior to World War I during the American Civil War of 1861–1865, and continued...

years, but the first large-scale use of chemical weapons was during World War I. They were primarily used to demoralize, injure, and kill entrenched...

The Eastern Front or Eastern Theater of World War I  was a theater of operations that encompassed at its greatest extent the entire frontier between Russia...

The United States declared war on Germany on April 6, 1917, nearly three years after World War I started. A ceasefire and armistice were declared on November...

of World War I aces from Belgium List of World War I flying aces from the British Empire List of World War I aces from Canada List of World War I flying...

aftermath of World War I saw far-reaching and wide-ranging cultural, economic, and social change across Europe, Asia, Africa, and even in areas outside...

The National War Memorial (French: Monument commémoratif de guerre du Canada), titled The Response (French: La Réponse), is a tall, granite memorial arch...

This list of military engagements of World War I covers terrestrial, maritime, and aerial conflicts, including campaigns, operations, defensive positions...

reactivated in 2013 with the renaming of the former Land Force Area Atlantic. The 5th Canadian Division of the Canadian Corps was formed during World War I under...

at Ypres, Mercer became the highest-ranking Canadian officer killed in action during the First World War. On the same day, Brigadier V. A. Williams, commanding...

Women in World War I were mobilized in unprecedented numbers on all sides. The vast majority of these women were drafted into the civilian work force to...

years of World War I, entering on the side of the Allied powers from 27 August 1916 until Central Power occupation led to the Treaty of Bucharest in May 1918...

First World War, which was fought between 1914 and 1918, had an immediate impact on popular culture. In the over a hundred years since the war ended,...

First World War. During the Second World War the division was reactivated as the 4th Canadian Infantry Division in 1941 and then converted to armour and...

The identification of the causes of World War I remains a debated issue. World War I began in the Balkans on July 28, 1914, and hostilities ended on November...

World War III (WWIII or WW3), also known as the Third World War, is a hypothetical future global conflict subsequent to World War I (1914–1918) and World...

This is a list of the events of World War I in chronological order. Diplomatic history of World War I Albertini 1953, p. 38. Keegan 1998, p. 53. Lowe...

Twenty-four known prisoner-of-war camps existed across Canada during the First World War. The ethnic groups arrested and detained in internment camps were Austro-Hungarians...

During World War I between 7–9 million soldiers surrendered and were held in prisoner-of-war camps. Approximately 10% (~750,000) died in captivity. While...