Portal:Belgium/Anniversaries/August/August 21
- 1190: death of Godfrey III of Leuven, Duke of Lower Lorraine, landgrave of Brabant and margrave of Antwerp
- 1813: birth of Jean Stas, analytical chemist, famous for more accurately establishing the atomic weight of the elements
- 1863: birth of Jules Destrée, politician, early promotor of a federal state
- 1882: birth of Rik Wouters, fauvist painter and sculptor
- 1965: death of Odile Defraye, cyclist, first Belgian winner of the Tour de France in 1912