FRIDAY, JUNE 21

Harry Potter Trivia Night Test how well you know the halls of Hogwarts at Boomtown Escape’s trivia night. Boomtown hosts trivia nights on the third Friday of the month in June and July. 7-9 p.m. Free. Boomtown Escapes, 215 W. Eighth St., Georgetown. 512-591-7816. www.facebook.com/events/2281480955250397 Music on the Square Enjoy a night of live music at the Georgetown Square. The Wilson String Band, a country and rockabilly music group, entertains the audience as part of the weekly summer program. Attendees are encouraged to bring blankets and chairs to sit on. 6:30 p.m. Free. Georgetown Square, 710 S. Austin Ave., Georgetown. 800-436-8696. http://visit.georgetown.org/music-on-the-square-concerts Cosmic Spa Day Learn how to make cosmic bath bombs, scrubs and lip gloss during Cosmic Spa Day. The event is open to teens ages 12-18. Snacks and drinks will be provided. 3 p.m. Free. Georgetown Public Library, 402 W. Eighth St., Georgetown. 512-819-3132. http://library.georgetown.org/events-calendar

SATURDAY, JUNE 22

Celebrate Midsommar Midsommar is one of Sweden’s most joyous and traditional festivals. Learn about the event and the Swedish heritage of Williamson County at The Williamson Museum. Attendees will make flower crowns and dance around the Midsommar pole. 10 a.m.-3 p.m. Free. The Williamson Museum, 716 S. Austin Ave., Georgetown. 512-943-1674. http://williamsonmuseum.org

SUNDAY, JUNE 23

Texas Society of Sculptures exhibit The 12th annual Texas Society of Sculptures exhibit opens at the library and will remain open through Sept. 14. Library visitors will be able to pick up a ballot and vote for their favorite sculptures for the people’s choice award. Times vary. Free. Georgetown Public Library, 402 W. Eighth St., Georgetown. 512-686-7247. http://library.georgetown.org/events-calendar