Celebrate the historic site’s 50^th anniversary with a trip back to the 1970s; enjoy retro-inspired cocktails and food, dance to classic hits, bid in a silent auction and help create a time capsule. VIP tickets include a happy hour (5:30pm) with colonial cocktails mixed by executive director Rod Cofield in the reconstructed bar in the William Brown House. 6:30pm, Historic London Town, Edgewater, $150 general admission/$200 VIP, RSVP: historiclondontown.org.