World War II[b] or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries …

2 days ago · 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 Allies (France, …

Explore the battles, key players and atrocities from the war and its impact on geopolitics and humankind today. After the bombing of Pearl Harbor on December 7, 1941, President Franklin Roosevelt...

May 2, 2025 · World War II started in 1939 when Germany invaded Poland, leading to a global conflict. Key events included the Battle of Britain, Pearl Harbor attack, and D-Day invasion. The war ended in …

Learn all about the major events of World War II from 1918 to 1942.

World War II was the largest and deadliest armed conflict in the history of mankind. Often abbreviated as WWII or WW2, World War II encircled the globe, forcing nearly every country on Earth to align with …

Oct 29, 2009 · 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.

Dec 10, 2025 · World War II began when Germany invaded Poland on September 1, 1939. This followed German resentment over the terms of the Treaty of Versailles after World War I and Adolf Hitler’s …

Over 60 million people, the majority of them civilians, were killed, making it the deadliest conflict in human history. [1] The Second World War was known for modern warfare and tactics such as air …

Nov 24, 2025 · Between 40 million and 50 million people died as a result of World War II, and the balance of global power shifted decisively toward the United States and the Soviet Union.