Mosaic Arts Alliance will celebrate it 20th anniversary from 5:30 to 7:30 p.m. March 21 in the community room of the Vancouver Community Library at 901 C St. in downtown Vancouver. Several guest speakers will talk about planned projects and activities for the arts in Vancouver. Members of the Mosaic Arts Alliance will also reflect on the history of the organization. A catered reception will be available at the meeting, which is open to the public.