20th, the 1900s.
World War II was in the 20th century
World War I began in the 20th century.
The 19th century was the 1800s. World War 2 was from 1939 to 1945. So the answer is no, World War 2 did not mark the end of the 19th century because World War 2 was during the later half of the early 20th century.
World War II took place in the 20th century (1900s)
World war one: 1914-1918 World war two: 1939-1945
World War 2 was in the twentieth century.
World War One, World War Two etc.
15th 20th
World War I and World War II.
World War 1, the 1914-1918 war was fought in the 20th Century. The date today is the 7th September 2014 and today is in the 21st Century.
1900
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