Princeton Battlefield Spring Clean Up Day

Princeton Battlefield State Park 500 Mercer St., Princeton

April – the time for spring cleaning and even battlefields need that too. Please join us for Princeton Battlefield Clean Up Day on April 20th from 11 AM to 2 PM. Pizza Party and tour of the Clarke House afterward. Register today on our website - - www.pbs1777.org

Free

Friends of Princeton Nursery Lands Arbor Day Planting Session

Mapleton Preserve/D&R Canal State Park Headquarters 145 Mapleton Road, Kingston

Help the Friends of Princeton Nursery Lands establish a new colony of Virginia bluebells, transplant wildlife-friendly native tree and wildflower seedlings, and plant this year’s Arbor Day tree, a beautiful ‘Snow Queen’ Oakleaf hydrangea at the Mapleton Preserve. Rain date is Sunday, April 28. Free baby trees for all while supplies last. Pre-registration is requested...

Free

Community Post Office: A Celebration of the Mail Art of Ulises Carrión

Cotsen Children's Library 1 Washington Road, Princeton

The Cotsen Children's Library is celebrating the final weekend of the Ulisis Carrión exhibit with hands-on activities and children’s gallery tours! Carrión was one of the most influential of all modern artists engaged in the book, and a vital force in the mail art movement of the 1970s. Join us in making colorful and dynamic...

Free

Final Weekend of Magnetism Exhibit Activities at Dohm Alley

Dohm Alley, by 100 Nassau Street, Princeton 100-102 Nassau Street, Princeton

Since late June, the Princeton Einstein Museum’s exhibit, “Einstein’s Attraction to Magnetism,” has been on display in Dohm Alley next to 100 Nassau Street in downtown Princeton. An estimated 20,000 people enjoyed learning more about Einstein, his childhood, and how we use magnetism at home, at work, and in cutting edge energy research. On the...

Free

American Red Cross Blood Drive at MarketFair Princeton

MarketFair Mall 3535 US-1, West Windsor, NJ, United States

Help Save a Life! Please consider donating blood to the American Red Cross. Enter through MarketFair's main entrance located by the clock tower and follow signs to the donation room. Bring a photo identification and remember to eat a healthy breakfast/lunch and drink lots of fluids before donating!