Pope Pius XI was head of the Catholic Church from 6 February 1922 until his death in February 1939. He was also the first sovereign of Vatican City upon its creation on 11 February 1929.
Biography from Wikipedia, available under CC BY-SA 4.0.
Pope Pius XI in our timeline
Also born on May 31
- Clint Eastwood1930 · American actor and filmmaker
- Brooke Shields1965 · American actress
- Colin Farrell1976 · Irish actor
- Viktor Orbán1963 · Prime Minister of Hungary (1998–2002, 2010–2026)
- Walt Whitman1819 · American poet, essayist and journalist
- Iga Świątek2001 · Polish tennis player
- John Bonham1948 · English drummer
- Marco Reus1989 · German footballer
Also born in 1857
- William Howard Taft1857 · President of the United States from 1909 to 1913
- Joseph Conrad1857 · Polish-British writer
- Edward Elgar1857 · English composer
- Robert Baden-Powell, 1st Baron Baden-Powell1857 · British soldier and founder of The Scout Association
- Alfonso XII1857 · King of Spain from 1874 to 1885
- Clara Zetkin1857 · German politician
- Ferdinand de Saussure1857 · Swiss linguist and philosopher
- Princess Beatrice of the United Kingdom1857 · British princess