Henri Désiré Landru (12 April 1869 – 25 February 1922) (French pronunciation: [ɑ̃ʁi deziʁe lɑ̃dʁy]) was a French serial killer, nicknamed the Bluebeard of Gambais and a prolific marriage fraudster. He is confirmed to have murdered at least ten women and the teenage son of his first victim, primarily targeting lonely war widows whom he met through newspaper advertisements, seduced, defrauded of their assets, and then killed, disposing of their bodies by burning them in his stove.

Denis Sergeevich Pischikov (Russian: Дени́с Серге́евич Пи́счиков; born 12 April 1983), known as The Shivering Creature (Russian: Тварь дрожащая), is a Russian robber and serial killer, who killed 14 elderly people between 2002 and 2003 in the Moscow Oblast and Vladimir Oblast.

Antonio López y López, 1st Marquess of Comillas, GE (1817 in Comillas – 1883 in Barcelona), was a Spanish businessman, slave trader and shipping magnate. He was the founder of several important companies and one of the world's wealthiest individuals in the second half of the nineteenth century.

Enedina Arellano Félix de Toledo (born April 12, 1961) is a Mexican drug lord who, alongside her brothers, founded the Tijuana Cartel and played a role as a logistical accountant for the criminal organization.

Julio César Arana del Águila, (April 12, 1864 – September 7, 1952) was a Peruvian entrepreneur and politician.

Ion Antonescu (; Romanian: [iˈon antoˈnesku] ; 14 June [O.S. 2 June] 1882 – 1 June 1946) was a Romanian military officer and marshal who presided over two successive wartime dictatorships as Prime Minister and Conducător during most of World War II.