Celebrate the start of summer in Westminster at the 2016 Summer Block Party on Thursday, June 9 from 6 p.m. to 8 p.m. at Irving Street Park. Enjoy FREE hot dogs, a jumping castle, mini firefighter combat challenge, firetruck rides, a magician and many more games and activities, plus a concert by Wash Park. If the weather looks iffy, call 303-412-8761 the day of the event. 7392 Irving St., 303-427-2217.