10 a.m. to 4 p.m.: Historical Society of Princeton hosts fun programs for preschoolers; Updike Farmstead, 345 Quaker Road, Princeton.
Noon to 2 p.m.: Thomas Edison State College offers Tours of Prudence Townsend Kelsey Memorial Room; 101 West State Street, Trenton.
6 p.m.: Wines of South Africa Dinner; Rat’s Restaurant, Grounds for Sculpture, 18 Fairgrounds Road, Hamilton.
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.
10:30 to 11:15 a.m.: Interfaith Caregivers Trenton presents a Physical and Musical Workshop for the Elderly; John O. Wilson Neighborhood Center, 169 Wilfred Avenue, Hamilton.
11 a.m. to 4 p.m.: Princeton Farmers’ Market; Hinds Plaza. Every Thursday from 11 a.m. to 4 p.m.
2:15 p.m.: St. Michael’s Choir School Performance; Stuart Country Day School, 1200 Stuart Road, Princeton.
8 p.m.: Tokyo String Quartet; Richardson Auditorium, Alexander Hall, Princeton University. There will be a prelude to the concert at 7 p.m. featuring Princeton music students.
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.
11 a.m.: Hasty Acres live demonstration of Equine Natural Movement by Bobbi Jackson; Hasty Acres, Kingston.
5:45 p.m.: New Jersey Governor Chris Christie will deliver a policy address at Princeton University; McCosh Hall. Free and open to the public.
8 p.m.: Voices Chorale presents Northern Lights of Scandinaviva Concert; Pennington Presbyterian Church, 13 South Main Street, Pennington.
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 a.m. to 1:30 p.m.: American Red Cross open blood drive; Hightstown Emergency Medical Services, 168 Bank Street meeting room.
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.
9 a.m. to 3 p.m.: Princeton United Methodist Church holds a flea market and plant and bake sale; Nassau & Vandeventer Streets, Princeton.
10 a.m.: Mercer Public Art Tours for Teens and Adults; meets in front of the New Jersey State Museum auditorium, West State Street, Trenton.
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.
3:30 to 5 p.m.: Family Nature Programs, “Awesome Insects”; New Jersey Audubon’s Plainsboro Preserve.
8 p.m.: The West Windsor Arts Council and Eri Tanaka Millrod present “Together For Japan: A Benefit Concert”; West Windsor Arts Center, 952 Alexander Road.
8 to 9:30 p.m.: Drumming Circle with Sharon Silverstein; Princeton Center for Yoga & Health, 50 Vreeland Drive, Suite 506, Skillman.
2 p.m.: The Princeton Festival Preview; Grounds For Sculpture, 18 Fairgrounds Road, Hamilton.
2 to 6 p.m.: The Expression Connection Network and the Princeton Center for Spiritual Living present a Springtime Arts Festival and Market; the Center for Spiritual Living, 345 River Road, Princeton.
3 p.m.: A Sea Symphony, Princeton Pro Musica; Richardson Auditorium, Princeton University.
3 p.m.: The Blawenburg Band commemorates its 121st Anniversary year with a free concert; Hopewell Valley Central High School Performing Arts Center, Pennington.
4 p.m.: The Friendship Circle hosts a family BBQ and celebration in honor of Lab Baomer; Turning Basin Park, Princeton.
9 a.m. to 3 p.m.: American Red Cross open blood drive; Johnson & Johnson, 23 Orchard Road, Town Hall, Skillman.
7 p.m.: Socrates Café; Princeton Public Library Community Room.
10 a.m. to 2 p.m.: Guided Tour, Drumthwacket Foundation; 354 Stockton Street, Princeton.
1 p.m.: Tour and Tea; Morven Museum, 55 Stockton Street, Princeton.
7:30 p.m.: St. Paul’s Catholic Church hosts an art retreat, “Blessed Art Thou: A Celebration of Mary in Art and Story”; 214 Nassau Street.
11 a.m. to 4 p.m.: Princeton Farmers’ Market; Hinds Plaza.
4 to 7 p.m.: Princeton Battle of the Bands; Hinds Plaza, Witherspoon Street.
7:30 p.m.: The Arts Council of Princeton presents the Annual David Goldberg Lecture in Architecture: Harrison Fraker, Jr.; Solley Theatre.
9 p.m.: Solo acoustic show, Singer Songwriter Showcase hosted by Frank Thewes; Triumph Brewing Company, 138 Nassau Street.
9:30 p.m.: New Hope & Lambertville Chambers of Commerce present the kickoff of Friday Night Fireworks over the Delaware River. Through September 2.
10 a.m.: The Spirit of Princeton invites the community to the annual Memorial Day Parade and Dedication Ceremony; Nassau Street.
7 p.m.: Café Improv; Solley Theatre, Paul Robeson Center, 102 Witherspoon Street.
8:30 to 11:30 p.m.: Central Jersey Dance Society’s No Name Dance presents California Mix Dance with Night Club Two Step and West Coast Swing lessons; Unitarian Universalist Congregation, 50 Cherry Hill Road, Princeton.
8:30 to 11:30 a.m.: Memorial Day Yoga Explosion; Princeton Center for Yoga & Health, 50 Vreeland Drive, Skillman.
8 a.m. to 2 p.m.: Healthy Woman’s Forum with NBC’s Today Show Host, Meredith Vieira; The Westin Princeton Forrestal Village.
6 to 9 p.m.: Grounds For Sculpture presents the final ART SALON in the spring “Meet the Artists” series; 18 Fairgrounds Road, Hamilton.
8 p.m.: The Mercer County Symphonic Band Spring Concert; Kelsey Theatre, West Windsor Campus of Mercer County Community College.
9:30 a.m.: Grounds For Sculpture Wellness Walk, talk and refreshments to follow; 18 Fairgrounds Road, Hamilton.
6:30 to 8:30 p.m.: Adult/Child CPR Class; Lawrence Headquarters Branch of the Mercer County Library System, 2751 Brunswick Pike, Lawrenceville. Free.
7:30 p.m.: Scott Horton, International Attorney-at-Law & Human Rights Advocate, speaks on “Torture, Wikileaks and State Secrecy—Did torture help or hinder finding Osama bin Laden?”; Princeton Unitarian Universalist Congregation Church, 50 Cherry Hill Road.
8 to 10 p.m.: Dance Improv, a dance jam with live music; All Saints Church, 16 All Saints Road, Princeton.
8:30 a.m.: D&R Greenway Land Trust invites the public to participate in The Second Running of the Hopewell Valley Trail Run; St. Michael’s Farm Preserve, Hopewell.
10 a.m. to 2 p.m.: Lawrenceville Main Street Farmers’ Market; Lawrenceville Fuel parking lot, Gordon Avenue. Through October 29.
11 a.m. to 4 p.m.: Grounds For Sculpture’s Anniversary Arts Party; 18 Fairgrounds Road, Hamilton.
6 to 9 p.m.: Opening reception of Joseph Barrett’s exhibition, Alluvial Days; Silverman Gallery, 4920 Route 202, Buckingham Green, Holicong, Pa. Exhibition runs through June 30.
7:30 to 11:30 p.m.: Central Jersey Dance Society presents a Salsa Sensation Workshop and Dance; Suzanne Patterson Center.
8 p.m.: Greater Princeton Youth Orchestra performance; Richardson Auditorium, Princeton University.
8 a.m.: University Medical Center at Princeton’s Kids Marathon.
9:30 a.m.: 2011 Central New Jersey Kidney Walk; Waterfront Park, Trenton Thunder Ballpark, Trenton. Check-in begins at 8 a.m.
Noon to 4 p.m.: Chabad of Mercer County’s Spirit Spa Expo; Princeton Marriott at Forrestal, 100 College Road East.
4 p.m.: Jazz with Steve Wilson & Bruce Barth; Clark Music Center, The Lawrenceville School.