Today in History and Celebrity Birthdays

Today in Music History for April 17: In 1943, Canadian pop singer Bobby Curtola was born in Port Arthur, Ont. (now Thunder Bay).

Today in History for April 13: In 655 (traditional date), Martin, pope from 649 to 655, died in banishment. He was the last pope venerated as a martyr.

Celebrity Birthdays for April 4: Recording executive Clive Davis is 93. Author Kitty Kelley is 83. '60s pop singer Kris Jensen is 83. Actor Craig T. Nelson is 81. Dave Hill, lead guitarist with Slade, is 79.

Today in Music History for April 4: In 397, St. Ambrose, bishop of Milan, died. Known as the ``Father of Hymnody,'' he encouraged the singing of hymns, wrote several and codified the Ambrosian chant for the early church.

Today in History for April 4: In 1507, Martin Luther was ordained a priest in Erfurt, Germany.