June 1, 1888
Last major conflict in the Hatfield-McCoy fued
Convention of Constantinople — 1888 convention
Abushiri Revolt — rebellion
Year of the Three Emperors — the year 1888, in which Wilhelm I of Germany died in March, to be succeeded by his son Frederick III, who died in June, to be succeeded by his son Wilhelm II
Exposición Universal de Barcelona — world's Fair held in Barcelona, Spain in 1888
1888 civil unrest due to rumors in Korea
1888 United States presidential election — 26th quadrennial U.S. presidential election
1888 battle in the first Samoan Civil War