World War 1 began on July 28, 1914 and ended on November 11, 1918. It lasted for 4 years, 3 months and 14 days.
It was fought in the following fronts:
1) Eastern front - Central and Eastern Europe ; mobile warfare.
2) Western front - Luxembourg, Belgium, France ; trench warfare
3) Middle Eastern front
4) Italian front - trench warfare
