Vasily Mikhailovich Blokhin (Russian: Васи́лий Миха́йлович Блохи́н; 19 January [O.S. 7 January] 1895 – 3 February 1955) was a Soviet secret police official who served as the chief executioner of the NKVD under the administrations of Genrikh Yagoda, Nikolay Yezhov and Lavrentiy Beria.

Michael Sarno (born January 7, 1958) is an American mobster who has been identified as the alleged, current leader of the Cicero street crew in the Chicago Outfit crime family. On February 8, 2012, Sarno was sentenced to 25 years in prison on racketeering charges.

The Monster of Florence (Italian: il Mostro di Firenze) is the name coined by the Italian press for a serial killer active within the former province of Florence (now the Metropolitan City of Florence) between 1968 and 1985. The Monster murdered sixteen victims, usually young couples secluded in search of privacy, in wooded areas during new moons.

Vladimir Borisovich Belov (Russian: Влади́мир Бори́сович Бело́в; born 7 January 1972), known as the Khovrinsky Maniac (Russian: Ховринский маньяк, romanized: Khovrinskiy manyak), is a Soviet-Russian brigand and serial killer, who received his nickname because he committed most of his crimes in the Khovrino District.

Tore Hedin (7 January 1927 – 22 August 1952) was a Swedish mass murderer and serial arsonist who killed ten people in a spree killing in Skåne County, Sweden, on the night of 21–22 August 1952. The killings, known as the Hurvamorden ("Hurva murders"), were the deadliest instance of mass murder in Swedish criminal history until the 2025 Risbergska school shooting.

Joseph Naso (born January 7, 1934), also known as Crazy Joe or the Double Initial Killer, is an American serial killer and serial rapist sentenced to death for the murders of at least four women.

Israel Keyes (January 7, 1978 – December 1, 2012) was an American serial killer, rapist, bank robber, burglar, arsonist and kidnapper.

Millard Fillmore (January 7, 1800 – March 8, 1874) was the 13th president of the United States, serving from 1850 to 1853. He was the last president to be a member of the Whig Party while in the White House, and the last to be neither a Democrat nor a Republican.