Gilberto Rodríguez Orejuela (30 January 1939 – 31 May 2022) was a Colombian drug lord and one of the leaders of the Cali Cartel. Orejuela formed the cartel with his brother, Miguel Rodríguez Orejuela, José Santacruz Londoño, and Hélmer Herrera.

Hans Erwin Hagedorn (30 January 1952 – 15 September 1972) was an East German serial killer who murdered three young boys between 1969 and 1971.

Yuri Leonidovich Tsiuman (born 30 January 1969), known as The Black Tights Killer ("Черноколготочник", transliteration "Chernokolgotochnik"), and The Night Guest, is a Soviet serial killer. All of his victims are reported to have worn black pantyhose.

Ioannis Metaxas (Greek: Ιωάννης Μεταξάς; 12 April 1871 – 29 January 1941) was a Greek military officer and politician who was the dictator of Greece from 1936 until his death in 1941. He governed constitutionally for the first four months of his tenure, and thereafter as the strongman leader of the 4th of August Regime following his appointment by King George II.