Vietnam War Veterans Day is annually observed on March 29 to commemorate the hardships suffered and sacrifices made by nine million Americans during the Vietnam War. Volunteers with the Muncy Historical Society will honor the former soldiers and the families who supported them before and after the war with an open house on Saturday, March 29.  The community is welcome to participate and unite in thanking and honoring Vietnam veterans and their families. Light refreshments will be served from 2 to 4 p.m.