Mr. and Mrs. David Sikora of North Tonawanda celebrated their 50th wedding anniversary with a gathering for family and friends and a trip to Las Vegas. Mr. Sikora and the former Sharon Minonno were married June 5, 1965, in Ascension Catholic Church in North Tonawanda. He is retired from GM Powertrain in Tonawanda. She is a retired secretary at North Tonawanda Middle School. They have three children and six grandchildren.