2009年10月29日 · World War I, also known as the Great War, started in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder catapulted into a war …

2009年10月29日 · World War II, the largest and deadliest conflict in human history, involved more than 50 nations and was fought on land, sea and air in nearly every part of the world.

World War I saw the debut of the tank and chemical weapons, the widespread use of machine guns and aircraft, improvements in artillery, and the pinnacle of the age of battleships. Military …

3 天之前 · An estimated 240,000 people were killed or went missing in the Battle of Okinawa during World War II. Eighty years later, the scars remain, allowing visitors to get up close and …

2019年4月11日 · What caused World War I and what were its effects? Also called The Great War, World War I was one of the deadliest conflicts in history, and set the stage for another world …

3 天之前 · World War II was a conflict that involved virtually every part of the world during 1939–45. The main combatants were the Axis powers (Germany, Italy, and Japan) and the …

World War II, or Second World War, (1939–45) International conflict principally between the Axis powers—Germany, Italy, and Japan—and the Allied powers—France, Britain, the U.S., the …

Sparked by the 1939 Nazi invasion of Poland, World War II pitted the Allied forces (led by the United States, Great Britain and the U.S.S.R.) against the Axis powers (Nazi Germany, Japan …

A world war is an international conflict in which most of the countries in the world fight or help. There have been two World Wars so far, World War I (1914-1918), and World War II (1939 …

The war fought between July 28, 1914, and November 11, 1918, was known at the time as the Great War, the War to End War, and (in the United States) the European War. Only when the …