St. John's Lutheran Church, 1030 S. 500 East, will celebrate is 90th anniversary the weekend of Oct. 13 and 14. To open the celebration, a plaque will be placed at the original church location today at 10:45 a.m. at 130 E. 700 South. Anniversary weekend begins with a tour of Salt Lake Lutheran Churches on Saturday, Oct. 13, at 9 a.m., followed by a reunion brunch and dedication of the anniversary plaque. A reunion dinner will be held that evening and Sunday worship will be followed by a reception. For information and reservations, call 364-2873.