For Kennebunkport Historical Society’s summer lawn party Aug. 3, more than 100 history lovers dug deep into storage, scoured vintage shops or ordered on Amazon for leisure suits, paisley prints and leather fringe vests. “There was a vote in the spring asking what decade we wanted to celebrate, and I voted for the 1920s again because I have a flapper dress,” said Nancy Eaton of Kennebunk.

But it turns out she had something for the 1970s, too – a yellow-and-pink floral bridesmaid dress from her wedding in 1971. “It’s fun to see all the costumes – like those white Nancy Sinatra boots,” said David Joyall, who wore a Fotomat T-shirt. “All the food, too.

Though, I picked up something to eat that I didn’t quite recognize, and it turned out to be cream cheese and pimento, which I hated as a kid and didn’t enjoy better today.” On the front lawn of the historical society’s 1853 property known as White Columns sat a green 1972 Fiat 128 and a white 1968 Volvo P8100 that was driven by Roger Moore in the 1960s British crime drama “The Saint.” On the columned porch, Dana Pearson and Mark Gunter played retro tunes like “Let Your Love Flow” by The Belamy Brothers and “I Want You to Want Me” by Cheap Trick.

Guests enjoyed beer, wine and blueberry lemonade – spiked or not – and reminisced about (or imagined) the 1970s over finger sandwiches, ambrosia, Jell-O poke cupcakes and carrot cake cookies. “Some people say this is a social club masquerading as .