Treaty of London — signed on 30 May during the London Conference of 1913

1913 battle between Greek and Ottoman forces

Greek genocide — 1913–1922 genocide of Greek Christians in the Ottoman Empire

Treaty of mutual recognition and allegiance between the governments of Mongolia and Tibet

1913 naval battle during the First Balkan War

1912–13 political upheaval in Japan

Meteor procession in the 1913s

1913 Incident during the Mexican Revolution

Greek-Serbian Alliance of 1913

1913 balkan war battle

World's highest temperature recorded ever