Ensio Kalevi Koivunen (23 June 1930 – 27 May 2003) was a Finnish serial killer who poisoned three female hitchhikers using carbon monoxide in the summer of 1971, and thereby got the nickname Häkä-Enska ("Carbon monoxide-Enska").

Choi Seo-won (Korean: 최서원; born 23 June 1956 as Choi Soon-sil; Korean: 최순실; pronounced [t͡ɕʰø.sun.ɕil]) is a South Korean businesswoman known primarily for her involvement in the 2016 South Korean political scandal, stemming from her influence over the 11th President of South Korea, Park Geun-hye. In 2018, a court sentenced Choi to 20 years in prison on corruption charges.

George Feigley (June 23, 1940 – April 13, 2009) was an American church leader. He has been described as a sex cult leader.

Edward VIII (Edward Albert Christian George Andrew Patrick David; 23 June 1894 – 28 May 1972), later known as the Duke of Windsor, was King of the United Kingdom and the British Dominions, and Emperor of India, from 20 January 1936 until his abdication in December of the same year.