July – November, 1917, heavy rain combined with the clay soil created a muddy battlefield. Soldiers and horses that fell in could drown. A huge loss of life for the very little land gained, which ended up being lost.

Popularity spread during the 1920s and huge portions of the population soon had access. Led to a boom of inventions.

A conference in 1938 that gave Germany the Sudetenland.

A 20-year bulge in the population, thanks to improving economic conditions and a tendency towards larger families.

April 9, 1917, heavy German defenses meant that many soldiers had been unsuccessful. Arthur Currie commanded the Canadian troops and trained them for weeks before hand. Four Victoria Crosses were awarded for bravery after the victory.

Could be used on the trenches even when no attack was going on and a victim could be in agony for days and weeks before he finally succumbed to his injuries.

The most popular car in the 1920s, these were mass produced on assembly lines.

Means "lightning war".

A clerk at the Soviet Embassy in Ottawa who exposed the presence of sleeper agents in Canada.

A group of Canadian artists in the 1920s.

A message sent by Germany to Mexico – offered to help Mexico invade the US if the US entered the war.

The Famous 5 challenged this issue of women not being allowed to be a part of the senate in 1929.

The name given to the German invasion of the USSR.

An advanced technical and aerodynamic achievement for the Canadian aviation industry that was cancelled on February 20th 1959.

The beach that Canadians attacked on D-Day, June 6th 1944.

He was a Canadian ace with 72 confirmed kills that was awarded the Victoria Cross for his bravery.

Thousands of unemployed men who lived in relief camps travelled across Canada to speak to Prime Minister R. B. Bennett.

The invasion of this country on September 1st 1939 began a world war.

Shortened to the acronym NATO.

He wrote "In Flanders Fields" at the Battle of Ypres.

July 1, 1916, the French needed to relieve the pressure on their troops and so convinced the British to attack. Douglas Haig had failed to adapt to the new style of war and many Canadian lives were lost as a result. July 1st became a day of remembrance fo

Caused by easy credit, lack of financial regulation, overproduction, and trade tariffs.

The most famous Nazi death camp during the Holocaust.

He implemented the War Measures Act during the October Crisis in 1970.

The ship filled with Jewish refugees that was turned away during WWII.