when did world war 1 start? 11 views2 days agoBookshistory world 1 Aman Sharma3.17K 3 days ago 0 Comments when did world war 1 start? W@nihon1 Answered question 2 days ago 1 Answer ActiveVotedNewestOldest 1 W@nihon13.69K Posted 2 days ago 0 Comments I think,World War 1 started on July 28, 1914 W@nihon1 Answered question 2 days ago Write your answer. Login