January 1, 1871
1871 Joseon–United States battle
Event marking the existence of the German Empire
1871 Mississippi River levee failure and associated flood
1871 final military operation of the Franco-Prussian War
Unification of Germany — creation of a politically and administratively integrated nation state of German-speaking populations on 18 January 1871, in the form of the German Empire
Preliminary treaty to end the Franco-Prussian war
First battle of the 1871 Paris Commune
1871 battle during the Paris Commune
1871 battle in Southwestern Uruguay