Today in History

What happened today in history? Important events, births and deaths.

01 September 2025

World War II Begins

Historical Significance and Background

The events of 1939 mark the beginning of World War II, one of the greatest conflicts in world history. Germany, under the leadership of Adolf Hitler, ignited the war by invading Poland on September 1, 1939. This event not only affected Europe but also signaled the start of a major conflict that would impact the entire world.

Development of the Event

Occupation of Poland: Germany's invasion of Poland is considered the official start of World War II. Hitler justified the attack by claiming that Poland posed a threat to Germany.

Expansion of the War: The invasion of Poland led countries like France and the United Kingdom to declare war on Germany. This situation foreshadowed the rapid escalation of the war.

Alignment of Countries: World War II was shaped by conflicts between the Allied and Axis powers. Throughout the war, many countries switched sides and formed alliances.

Outcomes and Effects

Short-Term Effects: Germany's occupation of Poland heralded a rapidly spreading war that caused immense destruction and loss of life in Europe.

Long-Term Consequences: World War II altered the world map and political balances. Many countries suffered economic losses and underwent significant societal changes.

Social and Political Changes: Significant changes in international relations occurred after the war, leading to the establishment of global organizations such as the United Nations.

Historical Significance and Relevance to the Present Day

Impacts on the Modern World: World War II served as a pivotal moment in shaping the modern world. It had profound effects on international relations, armament, and peace issues.

Current Importance: The legacy of World War II is still felt today. Historians study this period to draw important lessons for the future.

Lessons Learned: World War II is considered one of the darkest periods in human history, prompting reflection on the devastating effects of war. The importance of peace and diplomacy is emphasized.

Frequently Asked Questions


Historical Significance and Background


The events of 1939 mark the beginning of World War II, one of the greatest conflicts in world history. Germany, under the leadership of Adolf Hitler, ignited ...

World War II Begins 1939 took place in

World War II Begins happened in Germany

World War II Begins is a historically significant event that 1939 marked an important turning point in world history