Passage: Gaudí House-Museum (in Catalan: Casa Museu Gaudí), located within the Park Güell in Barcelona was the residence of Antoni Gaudí for almost 20 years, from 1906 till the end of 1925. On 28 September 1963 it was opened as a historic home museum and nowadays houses a collection of furniture and objects designed by the architect.

Question: When was the Gaudi House-Museum opened?
28 September 1963