4 p.m.: Orientation Session: Volunteer Opportunities for Teens; Princeton Public Library.
7 to 9 p.m.: Attention Deficit/Hyperactivity Disorder Lecture and Discussion with Alicia Stevenson, “Challenging Child? Challenging No More…The Collaborative Problem Solving Solution”; Riverside School, 58 Riverside Drive, Princeton.
3:45 to 5:30 p.m.: The Arts Council of Princeton presents a Cinco de Mayo Celebration; Michael Graves Terrace at the Paul Robeson Center, 102 Witherspoon Street.
9:30 a.m.: The Piano Teachers Forum monthly meeting; Jacobs Music, Route 1, Lawrence Township.
1 p.m.: Princeton Senior Resource Center hosts a Movie, Letters to Juliet; Suzanne Patterson Building.
7 to 10 p.m.: Princeton High School Jazz Concert Series, Big Band Dance; The Cranbury School, Main Street, Cranbury.
9 a.m.: 3rd Annual HomeFront Run for Hope; Educational Testing Service, Rosedale Road. Run and Walk begins at 10 a.m.
9 a.m. to Noon: Community Connection of Princeton HealthCare Rummage Sale; 905 Herrontown Road.
9 a.m. to 1 p.m.: West Windsor Community Farmers Market Opens 8th Season; Vaughn Drive Parking Lot of the southbound Princeton Junction Train Station.
9 a.m. to 4 p.m.: Morven Museum & Garden’s annual heirloom plant sale; 55 Stockton Street.
10 a.m. to 5 p.m.: Terhune Orchards Kite Day; Terhune Orchards, 330 Cold Soil Road.
Noon: Great Strides Walk to Cure Cystic Fibrosis; Mercer County Park.
6:30 to 11:30 p.m.: SAVE hosts its 11th Annual Gala Benefit, Whiskers in Wonderland; Princeton Airport.
8:30 to 11:30 p.m.: Central Jersey Dance Society presents Salsa Sensation; Suzanne Patterson Center, Monument Drive.
Mother’s Day
1:30 to 4 p.m.: University League Nursey School’s annual “Spring Fling” celebration; Carl Fields Center, 58 Prospect Avenue, Princeton University campus.
3 to 5 p.m.: Free Meditation Class; Plainsboro Public Library, 9 Van Doren Street.
Recycling
Noon to 2 p.m.: Darla Rich Quartet; Hopewell Valley Bistro & Inn, 15 East Broad Street.
7 p.m.: Ellen T. Charry will give her inaugural lecture as Princeton Theological Seminary’s Margaret W. Harmon Professor of Systematic Theology, “Positive Theology”; Princeton Seminary.
7:30 p.m.: Poetry in the Library presented by the Princeton Public Library, US1 Poets Cooperative and Delaware Valley Poets; Princeton Public Library, second floor.
9 a.m. to 3 p.m.: American Red Cross open blood drive; Johnson & Johnson (north), 199 Grandview Avenue, Skillman.
1 to 3 p.m.: Caregiver Resource Support Workshop; Buckingham Place, 155 Raymond Road, Princeton.
7 p.m.: Rick Recht Live in Concert at the Yom Ha’atzmaut Festival; Congregation Beth Chaim, 329 Village Road East, Princeton Junction.
7 p.m.: “Morning Joe” TV co-host Mika Brzezinski discusses his book, Knowing Your Value: Women, Money and Getting What You’re Worth; Barnes & Noble, 3535 US Route 1 South.
7 p.m.: Engaged Retirement & Encore Career Speaker Series: Celia Lidz, “Senior Travels: pack your pills and leave your doctors behind”; Princeton Public Library.
7:30 p.m.: Princeton Macintosh Users Group meeting; Friend Center, Princeton University.
10 a.m. to 3 p.m.: Mercer Regional Chamber of Commerce Spring Business Expo; Cedar Gardens, Route 33 Hamilton.
12:30 p.m.: Kosher Café East; Beth El Synagogue, 50 Maple Stream Road, East Windsor.
8 to 10 a.m.: Breakfast Seminar on The Risk of Ignoring Millennials; Main Street Euro-American Bistro; Princeton Shopping Center.
9 a.m. to 3 p.m.: American Red Cross open blood drive; Princeton University Frist Center, 1 Washington Road.
10 a.m. to Noon: Fundraising for Japan’s Earthquake & Tsunami, A Benefit Lesson to Support Japan, “Learn to make a Fresh Flower Cake”; Kingston Presbyterian Church, 4561 Highway 27. Also from 7 to 9 p.m.
6 to 10 p.m.: Storytelling Arts, Inc. sponsors A Taste of the Arts, food and wine tasting to support programs for children in Trenton; Mountain Lakes House, 57 Mountain Avenue, Princeton.
7:30 p.m.: Ellarslie Rocks with Ernie White and Tom Reock; Ellarslie Mansion, Cadwalader Park, Trenton.
7:30 to 9 p.m.: Successfully Speak Up Toastmasters meeting; Kingston United Methodist Church, 9 Church Street, Kingston.
8 a.m. to 2 p.m.: 2nd Annual Ben Franklin Spring Sale; 2939 Princeton Pike.
9 a.m. to 1 p.m.: Spring Flea Market to benefit Princeton First Aid & Rescue Squad, 237 N. Harrison Street.
11 a.m. to 4 p.m.: PrincetonKIDS Family Fun Day at Quaker Bridge Mall, Lawrenceville.
11 a.m. to 4 p.m.: Lawrenceville Main Street hosts Sixth Biennial House Tour, “Country Living”; 17 Phillips Avenue, Lawrenceville.
11 a.m.: Har Sinai Temple hosts a barbecue; 2421 Pennington Road, Hopewell Township.
2 to 4 p.m.: Free Chakra Yoga & Aromatherapy class; Princeton Center for Yoga & Health; 50 Vreeland Drive, Skillman.
3 p.m.: The Met Orchestra; Stern Auditorium, Carnegie Hall, 881, Seventh Avenue, New York City.
7:30 p.m.: The Arts Council of Princeton presents “Visions of Light, Art Through Film”; Paul Robeson Center. Free.
5:45 p.m.: Registration opens for the Princeton Athletic Club’s Spring Cross Country Series; Rosedale Park, Federal City Road. Youth mile cross-country run begins at 6:30 p.m.; Open 5K cross-country run begins at 7 p.m.
7 p.m.: Real Housewife of NJ, Teresa Giudice, signs her cookbook, Fabulicious!: Teresa’s Family Cookbook; Princeton Barnes & Noble, Marketfair Mall.
7 p.m.: Join bicyclists worldwide in “The Ride of Silence”, a silent, slow-paced ride for one hour to honor bicyclists who have been injured or killed on the roads; leaves from the West Windsor Municipal Complex.
7:30 to 9:15 a.m.: Business Owner Roundtable breakfast; Bartolomei Pucciarelli, 2564 Brunswick Pike, Lawrenceville.
11 a.m. to 4 p.m.: Princeton Farmers’ Market; Hinds Plaza. Every Thursday.
8 p.m.: Tokyo String Quartet; Richardson Auditorium, Alexander Hall, Princeton University.
9 a.m. to 5 p.m.: The African Violet Society of America invites the public to visit the 65th Annual Convention Show and commercial salesroom; Crowne Plaza Hotel, 2349 W. Marlton Pike, Cherry Hill, N.J. Also Saturday from 9 a.m. to 4 p.m.
8:30 to 11:30 p.m.: Central Jersey Dance Society open dancing with music by DJ Paola Pasta Lanna; Universalist Unitarian Congregation, Cherry Hill Road.
8:30 a.m.: The fourth, state-wide 5K NAMIWalk to combat stigma and improve the lives of families affected by mental illness; Rider University, 2083 Lawrenceville Road. Walk begins at 10 a.m.
9 a.m. to Noon: Community Connection of Princeton HealthCare Rummage Sale; 905 Herrontown Road.
10 a.m.: Morven Museum & Garden holds a special event, “Walk the Canal Path;” meet at the historic Kingston Canal House, Route 27.
10 a.m. to 2 p.m.: Healthy Children, Healthy Planet Community Event; Riverside School, 58 Riverside Drive.
11 a.m. to 4 p.m.: Merwick Rehab & Care Center presents “Healthy Eating the Mediterranean Way”; 100 Plainsboro Road.
8 to 9:30 p.m.: Drumming Circle with Sharon Silverstein; Princeton Center for Yoga & Health, 50 Vreeland Drive, Suite 506, Skillman.
3:30 to 5 p.m.: Family Nature Programs, “Awesome Insects”; New Jersey Audubon’s Plainsboro Preserve.