We all learned in schools that the WWI began with the assasination of Franz Ferdinand done by a young Bosnian Gavrilo Princip. In fact, the war was brewing much longer.
1925
2003
1994
2007
1984
2004
2014
1963
1989
1959
2019
2002
1998
1976
2009
2020
1927
2008
2001