Beverly Public Library is celebrating Saturday, July 20, as Moon Day in commemoration of the 50th anniversary of man’s making that one giant step on the moon. From 10 a.m. to 2 p.m., the moon will be the center of the universe — from an all-day, moon-themed scavenger hunt to moon-inspired story times, drop-in cosmic art, straw rocket building and more. There’s something for everyone of every age and level of interest, and it’s all free. The library is located at 32 Essex St., in Beverly. For a complete schedule, visit https://beverlypubliclibrary.org/moon-landing-anniversary.

The city of Peabody’s Free Summer Sunday Concert Series is underway. All concerts (except Aug. 4) are held at the Leather City Common. Remaining concerts are: July 21, Decades of Rock, 6 to 8 p.m.; July 28, classic rock with Tangerine, 6 to 8 p.m.: Aug. 4, Rock ‘n Roll with Eleventh Hour, 7 to 9 p.m., at Peabody Veterans Memorial High School followed by fireworks at 9 p.m.: Aug. 11, Pizza Fest from 4 to 6 p.m., followed from 6 to 8 p.m. by concert with Lisa Love Experience; Aug. 18, classic rock, country, ’80s & ’90s with Bare Bones, 6 to 8 p.m.; Aug. 25, country music with Renee & the Renegades. Food, craft vendors a weekly craft beer brewer will be on hand. In case of rain, concerts will be rescheduled: contact the Mayor’s Office at (978)538-5704. The Summer Concert Series is sponsored by the Peabody Cultural Council, City of Peabody and Peabody Main Streets.

Marblehead Little Theatre’s (MLT’s) first Summer of Music concert is set for Saturday, July 20, at 8 p.m. with songwriter and multi-instrumentalist Ethan Lally of Gloucester joined by Mitch Dion on drums and Derek Dupuis on bass. Produced by Marblehead’s Craig VanRemoortel, the series features rising stars and open mic nights. Other dates are Saturday evenings, July 27, Aug. 24, Aug. 31 and Sept. 7, at 8 p.m. Tickets range from $10 to $25, available online at mltlive.org, or at the door. Open mic nights are Thursday evenings, July 25, Aug. 1, Aug. 15, Aug. 29, Sept. 7, and Sept. 12. Admission is $5 at the door for audience and performers of all ages. Sign-in for performers begins at 7 p.m. Music starts at 7:30 p.m. and runs about two hours. All events will be held in MLT’s Firehouse Theatre at 12 School St. in Marblehead. For more information, visit mltlive.org.

Mass Audubon’s themed Sanctuary Discoveries campouts are for families with children 4 years and older. Explore the sanctuary after hours and camp under the stars. Saturday, July 20, 6 p.m., to Sunday, July 21, 9 a.m.; or Saturday, Aug. 10, 6 p.m. to 9 a.m. the following morning, jBoth include an evening and morning hike or activity and light breakfast. A list of equipment to bring will be sent after registration. Fee per campout is $32 adults, $29 children (discount for Mass Audubon members). Advance registration is required. For complete program descriptions and to register, go to massaudubon.org/ipswichriver or call 978-887-9264.

On Saturday, July 20, Jump ‘n Jam from 7:30 to 9 p.m. with a free evening of music and comedy at Tapley Memorial Hall starring Danvers native Matt Farley of Motern Media, who’s made a name for himself in the music world by releasing 20,000 songs, and performing on The Tonight Show With Jimmy Fallon. This show includes his best songs, and some funny stories from his unusual entertainment career. Tapley Memorial Hall is located at 13 Page St., Danvers. For more information, call the Danvers Historical Society at 978-777-1666, or email: dhs@danvershistory.org.

The Red Cross is issuing an urgent call for blood and platelet donors. Donors of all blood types, especially type O, may make an appointment using the Blood Donor App at RedCrossBlood.org or by calling 1-800-733-2767. Completion of a RapidPass online health history questionnaire is encouraged to help reduce time. The Danvers Blood Donation Center, 99 Rosewood Drive, has appointments daily. Other blood drives coming up on the North Shore: Monday, July 22, Hamilton American Legion, 37 School St., 1 to 6 p.m.

Beverly High School Class of 1954 will hold its 65th reunion luncheon on Saturday, Aug 10, at 12 noon at the Sylvan Street Grille, 12 Sylvan St, Peabody. To RSVP, pelase call Maralyn Klibansky at 978-922-9213, or email: maralynklib@gmail.com

On Sunday, July 28, at 5 p.m., Rebel Shakespeare, a student performing company, returns to the Salem Athenaeum garden to present “Twelfth Night.” Bring a chair and a picnic. The Salem Athenaeum is located at 337 Essex St. Salem. Admission is free. For more information, call 978-744-2540.

On Saturday, Aug. 3, cardboard boxes of all shapes and sizes will be parking overnight in Hamilton’s Patton Park. Beginning at 6 p.m. and running until Sunday morning at 8, anyone who cares about the plight of the homeless is welcome to discover how it feels to be homeless by spending the night in a cardboard box. Join a team, start your own, or register as an individual at FamilyPromiseNSB.org, Raise at least $100 to participate, either for part or all of the night. Supplies of large cardboard boxes are limited, so please bring your own, as well as a tarp, blankets, a pillow, and a sleeping bag. Shelter will be available if it rains. Patton Park is located on Route 1A in Hamilton. This event is organized by Family Promise North Shore Boston, a nonprofit that servees the homeless.  

On Thursday, Aug. 1, Soul City will perform Motown, soul, and funk for Castle Hill’s family-friendly Picnic Concert. The 10-piece band has made fans throughout New England for three decades. During their concert, stroll the gardens, try a landscape-themed eye spy; or check out TunnelTeller, the interactive art installation by Alicja Kwade. Pack a picnic or purchase one from on-site vendors. Ipswich Ale, Mill River Winery and Far From the Tree Cider and beverages will be available at the beer and wine garden. Outside alcoholic beverages are not permitted. Castle Hill on the Crane Estate, is located at 290 Argilla Road, Ipswich. Gates open at 5 p.m., concert starts at 7 p.m. Admission at the gate: $35/car or $25/car for Trustees members. Motorcycles and walk-ins are $10 for nonmembers and $8 for members. Weather cancelation (if necessary) will be announced by 3 p.m. Visit: www.thetrustees.org/picnicconcerts.

Salem Sound Coastwatch’s 14th Annual Swim & Fin, open water swimming races in Salem Harbor will be held Sunday, Aug. 11, starting at 8 a.m. at Forest River Park. The races vary in length from 500 meters to 1 mile and 5K. Registration and detailed event information is available at www.swimandfin.org. Entry fees are discounted for youth 17 and under. Proceeds from this charity swim will benefit Salem Sound Coastwatch, a local nonprofit that has been working for almost 30 years to make our coastal waters clean and safe. For more information, contact Salem Sound Coastwatch at 978-741-7900 or email info@salemsound.org.

Blueberry Hill Rehabilitation & Healthcare Center, 75 Brimbal Ave. in Beverly, welcomes the community to its annual antique car show outside the Beverly center on Tuesday, July 23, from 4 to 6 p.m., featuring antique cars, live music, face painting, barbeque and more. Rain date is July 24.

The Ipswich Museum and Ipswich ReCreation & Culture is presenting six Saturday-night performances of “Goodnight, Captain White,” a maritime history-mystery. Written by Mark Stevick and directed by Lynda Robertson, the play takes place in 1830 Salem, when the fabulously wealthy Joseph White is found dead in his bed at his own party. The audience becomes party guests turned Committee-of-Vigilance for this historical whodunit. Remaining performances are July 27, and Aug. 10 and 24 at 6:30 p.m. at the Heard House, Ipswich Museum, 54 S. Main St., Ipswich. Tickets are $30, $25 for museum members and $20 for students. Visit https://goodnightcaptainwhiteipswich.brownpapertickets.com