1900, 20 August
Major Gibbons, British explorer, claims to have found the source of the Zambizi.
1953, 20 August
The Sultan of Morocco, Sayyidi Muhammad V ibn Yusuf, is deposed by the French and replaced by Ben Arafa.
1955, 20 August
Simultaneous attacks by Algerian rebels against French targets in the Constantine district of Algeria have resulted in over 500 deaths and 200 wounded. At the same time nationalists have taken to the streets in Morocco. The attacks and demonstrations mark the second anniversary of the French deposition of the Sultan of Morocco, Siyyidi Mohammed V ibn Youssef, in favour of Muhammad Ben Aarafa.
