See 30 maps from 1472-1700, the beginning of printing history, that portrayed the new view of Earth and its controversial place as an orbiting planet. Today’s reception 3:30-5pm. Showing thru April 13. Tu-Su noon-5pm at St. John’s College’s Mitchell Gallery, Annapolis: 410-626-2539; www.stjohnscollege.edu.

  Hear the gerrymandering controversy from Lu Pierson, past president of the League of Women Voters of Maryland; Len Lazarick, publisher and editor of MarylandReporter.Com; Del. Aisha N. Braveboy (D-District 25) from Prince George’s County; and Ralph Watkins, chairman of the League of Women Voters of Maryland task force on redistricting reform, at the League of Women Voters of Anne Arundel County’s forum. 1:30-3:30pm at Annapolis Library: info@aa.lwvmd.org. 

  Learn to cut, shape, and grind class and create a small sun-catcher for your window. noon-4pm at Annmarie Garden, Solomons. $45 w/discounts; rsvp: 410-326-4640; www.annmariegarden.org.

  Audition for Ballet Theatre of Maryland, the state’s premier professional ballet company and training academy, for summer intensive, choreographic institute and company positions. Bring a resume, headshot and full body shot in first arabesque. Also March 10. Registration 11am at Merrit Annex, 1981 Moreland Pkwy., Annapolis. $25: 410-224-5644; www.balletmaryland.org.