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The Capture of Beaumont-Hamel was a tactical incident that took place during the Battle of the Somme (1 July – 18 November 1916) as part of the Battle of the Ancre (13–18 November) and was the second British attempt to take the village. Beaumont-Hamel is a commune in the Somme department of Picardy in northern France. The village had been attacked on 1 July, the First Day of the Somme and the German 2nd Army (General Fritz von Below) defeated the attack, inflicting many British and Newfoundland Regiment casualties.

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During World War I, the Second Battle of Ypres was fought from 22 April – 25 May 1915 for control of the strategic Flemish town of Ypres in western Belgium after the First Battle of Ypres the previous autumn. It was the first mass use by Germany of poison gas on the Western Front.

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The War Measures Act was a federal law adopted by Parliament on 22 August 1914, after the outbreak of the First World War. It gave broad powers to the Canadian government to maintain security and order during war or insurrection.

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The military history of Canada during World War I began on August 4, 1914, when the United Kingdom entered the First World War (1914–1918) by declaring war on Germany. The British declaration of war automatically brought Canada into the war, because of Canada's legal status as a British dominion which left foreign policy decisions in the hands of the British parliament. However, the Canadian government had the freedom to determine the country's level of involvement in the war. On August 4, 1914, the Governor General declared a war between Canada and Germany. The Militia was not mobilized and instead an independent Canadian Expeditionary Force was raised

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Abraham Lincoln, the 16th President of the United States, was assassinated by well-known stage actor John Wilkes Booth on April 14, 1865, while attending the play Our American Cousin at Ford's Theater in Washington, D.C.

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The Civil War
was a war fought in the United States (U.S.) from 1861 to 1865. The Civil War is the most studied and written about episode in U.S. history. Largely as a result of the long-standing controversy over the enslavement of black people, war broke out in April 1861, when secessionist forces attacked Fort Sumter in South Carolina, shortly after United States President Abraham Lincoln was inaugurated. The loyalists of the Union in the North proclaimed support for the Constitution. They faced secessionists of the Confederate States in the South, who advocated for states' rights to uphold slavery.

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The Louisiana Purchase
was a land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.

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The American Revolution
was a colonial revolt that took place between 1765 and 1783. The American Patriots in the Thirteen Colonies won independence from Great Britain, becoming the United States of America. They defeated the British in the American Revolutionary War in alliance with France and others.

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The 1917 Canadian federal election was held on December 17, 1917, to elect members of the House of Commons of Canada of the 13th Parliament of Canada. Described by historian Michael Bliss as the "most bitter election in Canadian history", it was fought mainly over the issue of conscription.

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The Battle of Passchendaele (German: Flandernschlacht, French: Deuxième Bataille des Flandres), also known as the Third Battle of Ypres, was a campaign of the First World War, fought by the Allies against the German Empire. The battle took place on the Western Front, from July to November 1917, for control of the ridges south and east of the Belgian city of Ypres in West Flanders, as part of a strategy decided by the Allies at conferences in November 1916 and May 1917. Passchendaele lay on the last ridge east of Ypres, 5 mi (8.0 km) from a railway junction at Roulers, which was vital to the supply system of the German 4th Army. The next stage of the Allied plan was an advance to Thourout–Couckelaere, to close the German-controlled railway running through Roulers and Thourout.

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The Wartime Elections Act was a bill passed on September 20, 1917 by the Conservative government of Robert Borden during the Conscription Crisis of 1917 and was instrumental in pushing Liberals to join the Conservatives in the formation of the Canadian Unionist government.

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The Battle of Vimy Ridge was part of the Battle of Arras, in the Nord-Pas-de-Calais region of France, during the First World War. The main combatants were the four divisions of the Canadian Corps in the First Army, against three divisions of the German 6th Army.

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John Fitzgerald Kennedy, commonly referred to by his initials JFK, was an American politician who served as the 35th President of the United States from January 1961 until his assassination in November 1963. Lee Harvey Oswald assassinated J.F.K.

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The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons. It was led by the United States with the support of the United Kingdom and Canada.

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The Vietnam War, also known as the Second Indochina War, and in Vietnam as the Resistance War Against America or simply the American War, was a conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975.

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The September 11 (9/11) attacks were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001.