This Saturday, September 14, the Rochester Historical Society is hosting a celebration of the 50th anniversary of the incorporation of the RHS at the Rochester COA on Dexter Lane. Registration is 11:00 – 12:00 pm; lunch is from 12:00 to 1:00 pm. There will be speakers from 1:00 to 2:00 pm, and music and socializing from 2:00 to 3:00 pm.