1868 armed conflict between elements of the United States Army and several of the Plains Native American tribes

Croatian–Hungarian Settlement — 1868 document governing Croatia's political status in Hungary

1868 landmark treaty between the United States and China's Qing government

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)