When did world war 1 start?
When did world war 1 start?
user
Do you mean, the first major conflict that took place during the years 1914-1918?
assistant
How did it begin?
user
It began in 1914 with Austria-Hungary declaring war on Serbia, and Russia mobilizing its military to support Serbia.
assistant
how did it end?
user
It ended on the eleventh hour of the eleventh day of the eleventh month in 1918.
assistant
who won?
user