Question

When did the first world war and second world war took place?​

Answer 1

Answer:

The term is usually reserved to two major international conflicts that occurred during the 20th century: World War I (1914–1918) and World War II (1939–1945).

Answer 2

Answer:

The term is usually reserved to two major international conflicts that occurred during the 20th century: World War I (1914–1918) and World War II (1939–1945).

Outbreak of World War II (1939)

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