January 1, 1867
Luxembourg Crisis — Diplomatic dispute and confrontation
Austro-Hungarian Compromise of 1867 — constitutional reform that established the dual monarchy of Austria-Hungary
1867 sale of Alaska to the USA by Russia
International treaty signed on 11 May 1867
Part of Red Cloud's War in Montana (August 1, 1867)
1867 riots in Malaysia
Battle during the American Indian Wars
1867 alliance between Greece and Serbia
1867 military engagement, part of the Unification of Italy
1867 battle during the the Paraguayan War