Those who enjoy Christmas trees, gingerbread, and holiday cookies galore can check out the Historical Society’s annual Holiday Gala.The Gala, which is a big part of the historical society’s annual fundraising efforts, will take place at the Carson Valley Museum and Cultural Center 10 a.m. - 4 p.m. Dec. 1.“(The Gala) keeps our doors open,” said Shannon Hickey, fundraising chair for the Douglas County Historical Society, “It pays for what’s typical of keeping anything open.”The Carson Valley museum is staffed by three people, and is run by the historical society.Depending on the year, the Gala can bring anywhere from 1,000 …