The Danbury Music Centre and the Danbury Museum & Historical Society are celebrating the 145th anniversary of the birth of Charles Ives.  The free events on Sunday start with a hike up Pine Mountain at 9:30am with a visit to the site of Ives retreat.  Participants are asked to RSVP and meet at Ives Court off Pine Mountain Road in Ridgefield.  At noon, there will be a tour of his birth home at 7 Mountainville Avenue in Danbury.  At 12:30, the Ives Film Experience will be in Huntington Hall of the Danbury Museum & Historical Society on Main Street.