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Dashed edge = started before, or continues beyond, this day
Events on Saturday 1 December 1990 2
1990Channel Tunnel breakthroughUK and France connected undergroundWorkers digging from either side of the English Channel met in the middle on December 1, 1990, completing the breakthrough of the Channel Tunnel service tunnel and connecting Britain and France for the first time.
1990Idriss Déby overthrows Hissène HabréRebel offensive topples Chadian governmentRebel forces led by Idriss Déby captured N'Djamena on 1-2 December 1990, overthrowing president Hissène Habré. Déby declared himself president and would rule Chad for three decades. Habré fled into exile in Senegal.