This page lists historical and other events on July 3rd in Catalonia and the Catalan-speaking countries as well as festivals and a list of births and deaths of well-known Catalans.
1970 - Air accident of Montseny of 1970, a plane owned by the English company Dan Air originating from Manchester, crashed into the Massís del Montseny with 112 passengers on board.
2006 - València: Metro accident in València in 2006 caused by the derailing of a convoy in the station of Jesús, causes more than 40 deaths and injuries.
1911 - Gandesa: Joan Grijalbo, Catalan publisher (died 2002).
2009 - Barcelona: Assumpció Català i Poch, astronomer and mathematician.