American River Conservancy invites the public to celebrate the150th anniversary of the first Japanese colony in America at the historic location of their 1869 tea and silk farm in Placerville, CA.   WakamatsuFest150 is a celebration of 150 years of Japanese-American heritage, arts, and cuisine. The festival will feature Japanese and Japanese-American food, art, music, performances, demonstrations, discussions, competitions, and more.  Booths will offer Asian and other foods, information, and merchandise. Entertainment will showcase traditional and modern Japanese-American culture. Docents will guide tours…