Portal:Belgium/Anniversaries/November/November 21
- 1783: first manned gas-filled balloon flight by professor Jan-Pieter Minckeler from the lawn of Arenberg Castle (pictured)
- 1851: birth of Désiré-Joseph Cardinal Mercier, Archbishop of Mechelen from 1906 until his death in 1926
- 1898: birth of René Magritte, surrealist painter
- 1946: birth of Jacky Lafon, actress in the VTM soap Familie