In 2021, Philip Mountbatten, Duke of Edinburgh and consort of Queen Elizabeth II of the United Kingdom, dies at the age of 99.

On the morning of April 9, 2021, Prince Philip, Duke of Edinburgh, husband of Queen Elizabeth II of the United Kingdom and the other Commonwealth states, and the world's longest-serving royal consort, died in Windsor Castle at the age of 99. Prince Philip, Duke of Edinburgh was Queen Elizabeth II's husband. From Elizabeth's accession on 6 February 1952 until his death in 2021, he was the British monarch's consort, making him the longest-serving royal consort in history. Philip was born in Greece, into the royal families of Greece and Denmark; his family was exiled from the country when he was eighteen months old.
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Morarji Desai, an Indian independence activist who served as India's fourth Prime Minister from 1977 to 1979, died in 1995.

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Titanic, the world's most renowned ship, set sail from Southampton, England, on her first and last journey in 1912.

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Tennis star Roger Federer marries former WTA tennis player Miroslava Vavrinec in Basel, Switzerland in 2009.

Hugh Jackman marries actress Deborra-Lee Furness in St. John's in Toorak, Victoria in 1996.

Hugh Hefner, an American magazine publisher and businessman, was born in Chicago, Illinois in 1926.