This Day, June 12: 49 killed in Pulse nightclub shooting in Orlando, Fla.

This history rundown on June 12 compiles notable events tied to the date across generations. It highlights the 2016 Pulse nightclub shooting in Orlando, Florida, where Omar Mateen killed 49 people and pledged allegiance to the Islamic State, marking the deadliest attack on the U.S. LGBTQ community at the time. The timeline also recalls earlier milestones, including the 1935 act establishing Big Bend National Park in Texas and the 1939 Baseball Hall of Fame dedication in Cooperstown, along with civil-rights milestones like Medgar Evers’s 1963 assassination and the 1967 Loving v. Virginia ruling.

Further entries span the 1970s through the 2010s, covering Tricia Nixon’s 1971 Rose Garden wedding, the 1974 Little League charter expansion, the Gossamer Albatross’s 1979 English Channel flight, 1982 Central Park’s nuclear-disarmament rally, and 1987 Reagan’s Berlin appeal. The list also notes Boris Yeltsin’s 1991 election and later events through 2018 and 2025, including the Air India Flight 171 crash near Ahmedabad that year.