Mr. and Mrs. Michael Caldwell of Sarasota, Fla., formerly of West Seneca, celebrated their 50th wedding anniversary with a 16-day tour through Europe. Mr. Caldwell and the former Veronica Lofaro were married April 18, 1964, in St. Bonaventure Catholic Church in West Seneca. He is retired from Sears at Southgate Plaza. She is retired from National Fuel Gas in Buffalo. They have four children and six grandchildren.