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Avignonet massacre, when a group of Cathars with the probable connivance of Count Raymond VII of Toulouse murdered the inquisitor William Arnaud and eleven of his companions
Two trains collide in the Swiss town of Rafz resulting in as many as 49 people injured and Swiss Federal Railways cancelling some services.
Petronius Maximus becomes, with support of the Roman Senate, emperor of the Western Roman Empire; he forces Licinia Eudoxia, the widow of his predecessor, Valentinian III, to marry him.
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