June 26 is the 177th day of the year (178th in leap years), with 188 days remaining.
- 1581 — Christman Genipperteinga died (c.).
- 1916 — Ryuun Daimai died.
- 1946 — William Heirens is apprehended.
- 1953 — Robert Maudsley is born.
- 1955 — Jimmy Allen is apprehended.
- 1957 — Ion Barbu is born.
- 1961 — Frank Duane Welch is born.
- 1968 — Denis Waxin is born.
- 1969 — Charles Helem is born.
- 1972 — Yevgeny Nagorny is born.
- 1977 — Jayne MacDonald is murdered by Peter Sutcliffe.
- 1995 — Rory Enrique Conde is apprehended.
- 1995 — Andrea Matteucci is apprehended.
- 2003 — Michel Fourniret is apprehended.
- 2013 — Kimberly McCarthy died.
- 2015 — Adolph Laudenberg died.
- 2017 — Takeshige Hamada died.