Pella Historical Society is commemorating the end of World War I next week. They will be showing digitized and colorized material that has been rarely seen on Tuesday, May 21st at 7 p.m.. “They Shall Not Grow Old” brings to life those black-and-white movies of yesteryear. Pella Historical is one of a handful of organizations in Iowa chosen to air this film. Tickets for the showing cost $5 for society members and $10 for non-members at the door.