September 1, 1868
1868 landmark treaty between the United States and China's Qing government
Croatian–Hungarian Settlement — 1868 document governing Croatia's political status in Hungary
1868 treaty between the United States and Shoshone
1868 riot in Tennessee, US
1868 naval action in the Paraguayan War
Charter Oath — first constitution of modern Japan, promulgated 1868
1868 agreement between the Navajo and the US Federal Government
One of the last episodes of the New Zealand Wars
1868 ambush in the Boshin War in Japan
1868 earthquake and tsunami centered near Arica, Peru (now Chile)