- May 26, 1868 (150 years ago)
- •The impeachment trial of U.S. President Andrew Johnson ends, with Johnson being found not guilty by one vote.
- May 26, 1896 (122 years ago)
- •Charles Dow publishes the first edition of the Dow Jones Industrial Average.
- May 26, 1928 (90 years ago)
- •The first motion picture is projected publicly in Athens, Greece.
- May 26, 1998 (20 years ago)
- •The United States Supreme Court rules that Ellis Island, the historic gateway for millions of immigrants, is mainly in the state of New Jersey, not New York.