Today in History and Celebrity Birthdays

Today in Music History for Oct. 1: In 1919, the famous Canadian vaudeville troupe, "The Dumbells," gave their first Canadian performance in London, Ont., in a musical review called "Biff, Bang, Bing.

Celebrity Birthdays for Sept. 30: Actress Angie Dickinson is 92. Singer Cissy Houston is 90. Singer Johnny Mathis is 88. Actor Len Cariou ("The Four Seasons") is 84. Singer Marilyn McCoo is 80. Singer Sylvia Peterson of The Chiffons is 77.

Today in History for Sept. 30: On this date: In 1399, King Henry IV ascended the throne of England. He had usurped the crown from Richard II, beginning the Lancastrian dynasty and planting the seeds of the "Wars of the Roses.

Today in Music History for Sept. 30: In 1791, Mozart's last opera, "The Magic Flute," was performed for the first time in Vienna. In 1935, singer Johnny Mathis was born in San Francisco.