Haymarket affair — aftermath of a bombing that took place at a labor demonstration on Tuesday, May 4, 1886, at Haymarket Square in Chicago

World Chess Championship 1886 — first chess championship, held in the United States

Armed conflict that occurred in 1886 during Geronimo's War

1886 Civil unrest incident in Belfast, Ireland

Anti-Chinese lynchings

1886 treaty between Bulgaria and the Ottomans

Plessy v. Ferguson — 1896 U.S. Supreme Court case on racial segregation

1883 riot of Chinese sailors in Japan

1886 battle between the Ethiopian Empire and Emirate of Harar