Wikipedia:Selected anniversaries/January 24
- 41 - After years of abuse, Cassius Chaerea and the disgruntled Praetorian Guards brutally murdered Roman Emperor Gaius Julius Caesar Germanicus (better known as Caligula) and his young family.
- 1438 - Pope Eugenius IV was suspended by the Council of Basel.
- 1848 - James W. Marshall discovered gold at Sutter's Mill in Coloma, California, leading to the California Gold Rush.
- 1924 - Petrograd, founded by Peter the Great of Russia in 1703, was renamed Leningrad three days after the death of Vladimir Lenin.
- 1984 - The first Apple Macintosh went on sale, as advertised on television two days earlier during Super Bowl XVIII.
Recent days: January 23 – January 22 – January 21