the cult of our lady of begoña ("nuestra señora de begoña, la madre de dios de begoña") celebrates an apparition of the virgin mary at the site of the basilica of begoña, in bilbao, spain. affectionately called "amatxu" (meaning "little mother" in basque), she is said to have appeared to local people in the early 16th century. the feast day of our lady of begona is 11 october.