8:30 to 10 a.m.: Watershed Morning Ramble; Buttinger Nature Center, 31 Titus Mill Road, Hopewell Township.
1 to 6 p.m.: 2011 Mercer County Economic Summit “Making Connections”; The Conference Center at Mercer County Community College, 1200 Old Trenton Road, West Windsor.
6:45 p.m.: Entrepreneur and space traveler, Greg Olsen, speaks on “From Entrepreneur to Spaceman”; Princeton Public Library.
4 to 5:30 p.m.: Stony Brook-Millstone Watershed Association’s event, “Barking up the RIGHT tree for School Age children”; Buttinger Nature Center, 31 Titus Mill Road, Hopewell Township.
8 p.m.: Michael Flatley’s Lord of the Dance; Patriots Theatre at the War Memorial.
8 p.m.: Improv Comedy Troupe “Far and In Between”; Paul Robeson Center for the Arts.
10 a.m. to 4 p.m.: American Red Cross Blood Drive; 100 Metroplex Plaza, LSNJ Conference Room, Edison.
6:30 p.m.: One Table Café dinner; Trinity Church, 33 Mercer Street, Princeton.
7:30 p.m.: Mary McCaslin performs at the Princeton Folk Music Society Concert Series; Christ Congregation Church, 50 Walnut Lane, Princeton.
7:30 p.m.: New Jersey Symphony Orchestra celebrates “Best of Spanish Flair” In Style; War Memorial, Trenton.
7:30 p.m.: Performance by The Hamilton College Choir; Nassau Presbyterian Church, 61 Nassau Street.
10:30 a.m. to Noon: Stony Brook-Millstone Watershed Association’s event, “Let’s Fly a Kite”; Buttinger Nature Center, 31 Titus Mill Road, Hopewell Township.
11 a.m.: The Very Hungry Caterpillar Storytime and Craft; Princeton Barnes & Noble.
12:30 p.m.: Fruit Tree Pruning Demonstration with owner Gary Mount; Terhune Orchards, 330 Cold Soil Road, Princeton.
3 p.m.: Kingston Presbyterian Church hosts an authentic Victorian Tea; Kingston Presbyterian Church.
7 p.m.: Arts Council of Princeton presents Sarah Donner’s Indie Music Night; Paul Robeson Center for the Arts, 102 Witherspoon Street, Princeton.
7:30 p.m.: Reock & Roll Revue with the classic rock opera Quadrophenia; Kelsey Theatre, Mercer County Community College.
9 p.m. to Midnight: Argentine Tango Social Dance; Suzanne Patterson Center, Monument Drive, Princeton.
10:30 a.m.: The First Baptist Church presents “126 Women in White: Unstoppable Spirit and Immovable Faith”; John Street & Paul Robeson Place.
1 to 3 p.m.: Mercer County Park Commission Nature Program, “Wildlife Guess Who”; Mercer County Wildlife Center, Route 29.
2 to 3 p.m.: American Guild of Organists hosts the Annual Organ Recital; Princeton University Chapel.
3 p.m.: Princeton Writers’ Block performs comic sketches and one-acts by David Ives; Princeton Public Library.
1 p.m.: The Women’s College Club of Princeton meeting; All Saints’ Church, 16 All Saints’ Road, Princeton.
4:30 p.m.: Princeton University Department of Music presents “Composition Colloquium”; Woolworth Center Room, Princeton University.
8 p.m.: Washington Crossing Audubon Society meeting, “Wild Utah: America’s Red Rock Wilderness”; Stainton Hall on the Pennington School’s campus, Delaware Avenue.
9 to 10:30 a.m.: Mercer County Park Commission Nature Program, “Trail Trek”, meet at Mercer County Park, Tennis Center parking lot.
9 a.m. to 2 p.m.: Blood Donor Program; Merwick Care & Rehab facility.
1 to 7 p.m.: American Red Cross blood drive; Nottingham Fire Company, 200 Main Street, Hamilton Square.
5 p.m.: Dr. Hanan Ashrawi writer, activist, and Palestinian legislator delivers the Edward Said Memorial Lecture, The Dislocation of Palestine; Princeton University, McCosh 10.
8 p.m.: Composers Ensemble at Princeton; Taplin Auditorium in Fine Hall, Princeton University.
4:30 p.m.: Princeton University Department of Spanish & Portuguese Languages & Cultures holds the Princeton Documentary Film Festival 2011, “Pictures and Words”; Princeton University. Through Saturday, March 26.
4 p.m.: American Repertory Ballet’s On Pointe, “Dancing Your Way Into College”; Princeton Ballet School’s studios, 301 N. Harrison Street, Princeton.
6:30 to 8 p.m.: Opening reception of “Feedback”, an exhibition of paintings by Steve Budington; The Mariboe Gallery at Peddie School, Hightstown.
9 a.m. to 1 p.m.: Celebrate NJ! Day of Community; Rutgers University Cook/Douglass Recreation Center, 50 Biel Road, New Brunswick.
2 p.m.: Princeton Public Library hosts a Citizenship Workshop; Princeton Public Library.
5:30 p.m.: Celebrate Russia!; Smith House in Princeton Landing.
8 a.m. to 1:30 p.m.: American Red Cross blood drive; Beth El Synagogue, 50 Maple Stream Road, East Windsor.
Noon to 4 p.m.: The Hopewell-Keroka Alliance holds 2nd Annual Community Flea Market; Hopewell Central High School, 259 Pennington-Titusville Road, Pennington.
3 p.m.: Princeton University’s Music Department’s Faculty Recital; Taplin Auditorium in Fine Hall.
4 p.m.: The Poquelin Players present a premier reading of Hallie; Princeton Public Library.
4 to 6 p.m.: The Jewish Center of Princeton in collaboration with the Princeton Area Anti-Torture Group and the Coalition for Peace Action is holding a Forum, “Judeo-Christian Perspectives on Torture as a Moral Issue”; The Jewish Center, 435 Nassau Street.
Recycling
7 p.m.: Princeton Theological Seminary welcomes Dr. David H. Kelsey, the Luther Weigle Professor Emeritus of Theology at Yale Divinity School, to campus to deliver the annual Warfield Lectures, Lecture I: “The God of Abraham Praise”; Mackay Campus Center. Series of six lectures are scheduled through March 31.
4:30 p.m.: Book talk by Princeton Professor Michael D. Gordin, author of Red Cloud at Dawn: Truman, Stalin, and the End of the Atomic Monopoly and Five Days in August: How World War II Became a Nuclear War; Lewis Library 138, Princeton University, Washington Road & Ivy Lane.
6 p.m.: Ronald Stroud University of California Berkeley presents Magic and Religion in Ancient Corinth; McCormick Hall 106, Princeton University.
7:30 p.m.: St. Paul Parish hosts a free lecture, “The Gospel of Matthew in Lent” by Sister Carol Perry, S.U.; St. Paul’s Spiritual Center, 214 Nassau Street.
7 to 9 p.m.: CancerCare’s free educational seminar, “What to Know When You Are Newly Diagnosed with Cancer: Advice and Practical Tips”; Mercer County Library, 333 North Post Road, Princeton Junction.
8 p.m.: Nash Ensemble of London; Richardson Auditorium, Alexander Hall, Princeton University.
2 p.m.: Animal Ambassadors at Mapleton Preserve; 145 Mapleton Road.
7:30 p.m.: Pianist Mariam Nazarian in Concert; Solley Theatre, Paul Robeson Center for the Arts.
8:30 p.m.: Central Jersey Dance Society Salsa Sensation; Suzanne Patterson Center, Monument Drive.
8 p.m. to Midnight: Professional and Business Singles Network Spring Dance Party; Inn at Lambertville Station, River Side Ballroom, 11 Bridge Street, Lambertville.
1 to 4 p.m.: The James A. Michener Art Museum’s Education Outreach and Diversity Department hosts the seventh annual Creative Spirit Symposium for Artists with Visual Disabilities; 138 South Pine Street, Doylestown, Pa.
5 p.m.: VOICES Chorale presents “Come to the Cabaret”; Bob Egan’s Supper Club & Cabaret Ramada Inn, 6426 Lower York Road, New Hope.