World War II is generally considered to have begun on 1 September 1939, when Nazi Germany, under Adolf Hitler, invaded Poland, after which the United Kingdom and France declared war …

Sep 3, 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 …

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. …

Oct 29, 2009 · On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II.

Sep 6, 2007 · World War II officially began on September 1, 1939, when Nazi Germany invaded Poland. Below is a timeline tracing some of the important events of the first week of …

World War II, also called the Second World War, was a global conflict during the years 1939–1945. The principal combatants were the Axis powers—Germany, Italy, and …

Although a variety of different factors caused World War Two, the main event and the trigger for what started WW2 was Germany’s invasion of Poland in September 1939.

Mar 26, 2024 · Germany was defeated in the First World War, and the victors established harsh terms to ensure that some of the costs of the war were recuperated and to prevent Germany …

Oct 9, 2025 · World War II began in Europe on September 1, 1939, when Germany invaded Poland. Great Britain and France responded by declaring war on Germany on September 3. …

Nov 15, 2021 · World War II was the largest and most destructive conflict in history. Learn about key WWII dates in this timeline of events, including when WW2 started and ended.