WW2 was 6 years, 1939-1945 and WW1 was 4 years 1914-1918
XXth century: Balkanic war, World War I, World War II and many other wars during a long unfortunate history.
I'd say the two world wars, World wars I and II
Many wars. Including World War II.
Two. World War I and World War II.
World War II
The country of Italy has participated in various wars. They were involved in World War I and World War II.
No, just World Wars I, and II.
world war II
World War I and World War II were the major wars which took place in Italy.
The two biggest wars that started in Europe were World War I and World War II.
The United States has fought in World War One and World War Two, the only two world wars so far.
Dwight Eisenhower