The 20th annual Tea for Two Hundred event will be held Aug. 12 at a private home in Washington.

The event, which will run from 4 to 7 p.m. at the home of Gael Hammer and Gary Goodwin, will benefit the Gunn Historical Museum in Washington and the Interfaith AIDS Ministry of Greater Danbury.

Honorary chairperson is Sheila Nevins, president of HBO Documentary Films, author and resident of Litchfield County, who will sign and read excerpts from her new book “You Don’t Look Your Age and Other Fairy Tales.”

Special guest American playwright Larry Kramer, author and public health advocate, will be interviewing Nevins on stage, as well as sign copies of his historic and controversial satirical novel “Faggots.”

The event will also include a silent auction, a traditional hat contest and music by Christine Ohlman, who will play live sets with her band, Rebel Montez, featuring Michale Colbath, Cliff Goodwin and Larry Donahue.

Guests are asked to wear summer white.

Tickets are $75 and may be purchased by calling 860-717-0695 or visiting www.teafortwohundred.net.

The party will be held at 63 River Road, but parking will be at Washington Primary School on School Street. Shuttle buses will be available to transport guests.