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Gavrilo Princip assassinated the Archduke Franz Ferdinand in Sarajevo. In response, Austria-Hungary issued an demand to Serbia. Serbia's reply failed to satisfy the Austrians, and the two moved to a war footing. -
For six weeks in Winnipeg, May 15 to June 26, more than 30,000 strikers brought economic activity to a standstill in Winnipeg, Manitoba, which at the time was Canada's third largest city. In the short term, the strike ended in arrests, bloodshed and defeat, but in the long run it contributed to the development of a stronger labour movement and the tradition of social democratic politics in Canada. -
The Great Depression started in the United States after a major fall in stock prices that began around September 4, 1929, and became worldwide news with the stock market crash of October 29, 1929, . Between 1929 and 1932
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The 1929 stock market crash was the most devastating stock market crash in the history of the United States, when taking into consideration the full extent and duration of its aftereffects. The Crash is mostly associated with October 24, 1929, called Black Thursday, the day of the largest sell-off of shares in U.S. history -
The Holocaust was the genocide of European Jews during World War II. Between 1941 and 1945, Nazi Germany and its collaborators systematically murdered some six million Jews across German-occupied Europe, around two-thirds of Europe's Jewish population.
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WW2 involved the vast majority of the world's countries including all the great powers forming two opposing military alliances: the Allies and the Axis powers.
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In the final year of World War II, the Allies prepared for a costly invasion of the Japanese mainland. This undertaking was preceded by a conventional and firebombing campaign that devastated 67 Japanese cities. When WW2 ended, the Allies turned their full attention to the Pacific War. By July 1945, the Allies' Manhattan Project had produced two types of atomic bombs: "Fat Man", a plutonium implosion-type nuclear weapon; and "Little Boy", an enriched uranium gun-type fission weapon.
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The United Nations is an international organization founded in 1945 after the Second World War by 51 countries committed to maintaining international peace and security, developing friendly relations among nations and promoting social progress, better living standards and human rights. -
The Universal Declaration of Human Rights was adopted by the newly established United Nations, in response to the “barbarous acts which outraged the conscience of mankind” during the Second World War. Its adoption recognized human rights to be the foundation for freedom, justice and peace. -
The Vietnam War was a conflict in Vietnam, Laos, and Cambodia, to the fall of Saigon. The War was officially fought between North Vietnam and South Vietnam. North Vietnam was supported by the Soviet Union, China, and other communist allies; South Vietnam was supported by the United States, South Korea, the Philippines, Australia, Thailand, and other anti-communist allies.