Step back in time with the Warwick Valley Chamber of Commerce at the stately headquarters of the Warwick Historical Society for an after-hours business mixer on Wed., Jan. 22 Warwick from 5:30 to 7:30 p.m. at the A.W. Buckbee Center, located at 2 Colonial Ave. in Warwick. The cost to attend is $10 for members, local Chamber members and their guests, and $20 for non-members. To make a reservation, call 986-2720.