Jeffrey Don Lundgren (May 3, 1950 – October 24, 2006) was an American self-proclaimed prophet, cult leader, and mass murderer who, on April 17, 1989, killed a family of five in Kirtland, Ohio. Lundgren led a Latter Day Saint movement-based cult and interpreted scripture using an unconventional version of chiasmus, which involved searching a text for recurring patterns.

Emmett Dalton (May 3, 1871 – July 13, 1937) was an American outlaw, train robber and member of the Dalton Gang in the American Old West. Part of a gang that attempted to rob two banks in Coffeyville, Kansas, on October 5, 1892, he was the only member of five to survive, despite receiving 23 gunshot wounds.

Rubén Darío Millatureo Vargas (born May 3, 1962), known as The Jackal of Queilén (Spanish: El Chacal de Queilén), is a Chilean serial killer who murdered three people in the town of Queilén from 1997 to 1998.

Niccolò di Bernardo dei Machiavelli (3 May 1469 – 21 June 1527) was a Florentine diplomat, author, philosopher, and historian who lived during the Italian Renaissance. He is best known for his political treatise The Prince (Il Principe), written around 1513 but not published until 1532, five years after his death.