Toddler Story Time. 10 a.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511, chicagopubliclibrary.org. Includes picture books, action activities and songs. Open to children ages 0 to 3.
Memorial demonstration for Hiroshima Day. 5:30-6:30 p.m., Henry Moore Monument, Ellis Avenue between 56th and 57th Streets, 773-324-0654. Organized by the Hyde Park Center for Nonviolent Action
Movie. “Midweek @ the Midway.” 8-9 p.m., Midway Plaisance Center, 1130 Midway Plaisance, 59th Street between Ellis and Woodlawn Avenues, free. Screening of “Back to the Future.” Movies begin at dusk.
Family Fun Hour. 6 p.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511, chicagopubliclibrary.org. Families will have an opportunity to play classic board games or to make crafts.
Author Talk. 6 p.m., 57th Street Books, 1301 E. 57th St., 773-684-1300, semcoop.com. Discussion with Prajwal Parajuly, author of “The Gurkha’s Daughter.”
Preschool Story Time. 10:30 a.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511, chicagopubliclibrary.org. Includes picture books, songs, action activities and flannel board stories. Open to ages 3 to 6.
Performance. 7:30-11:30 p.m., Room 43, 1043 E. 43rd St., hydeparkjazzsociety.com, $10 adults, $5. University students with ID and children with adults. Hyde Park Jazz Society presents the Jazz Community Big Band led by Marianne May.
Film. “Half of A Yellow Sun.” 2-4 p.m., DuSable Museum of African American History, 740 E. 56th Pl., 773-947-0600, dusablemuseum.org, $10. The South Side of Chicago premier of “Half of A Yellow Sun,” written by(…)