Apr 11, 2026
8:45 AM
to Oct 10, 2026, 3:30 PM
Location: 213 Blue Hill Road, Pearl River, NY 10965
On September 22, 1780, General Benedict Arnold and British Major John André met along the Hudson River to plot the surrender of West Point, an act of treason that forever changed American history. Join the Historical Society of Rockland County for a captivating day trip that brings this story to life at the very places where it unfolded.
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Apr 16, 2026
10:00 AM
to May 9, 2026, 2:00 PM
Location: 9 Ten Broeck Place Albany, NY 12210
Welcome spring with us at Ten Broeck Mansion! Tour the historic 1798 Ten Broeck Mansion and explore four acres of gardens freshly in bloom.
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Apr 20, 2026
9:30 AM
to 12:30 PM
Location: 381 N Broadway, Sleepy Hollow, NY
Revolutionary Roundtables is a five-part, half-day workshop series taking place April - October designed to help museum and historic site professionals strengthen interpretation, visitor experience, and public engagement. Through participatory exercises, site-based exploration, and collaborative problem-solving, each session offers practical tools for improving how collections and historic spaces are presented and experienced. Timed to coincide with the nation’s 250th anniversary, the series invites participants to experiment with new approaches to storytelling, digital tools, collaboration, and flexible interpretation while remaining grounded in the real-world constraints and opportunities facing collecting institutions today. Participants will leave with fresh ideas, strategies, and actionable plans they can implement at their own sites.
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Apr 25, 2026
9:00 AM
to 2:00 PM
This year, Histoury is celebrating America’s 250th birthday throughout the entire year with a special goal: to pass or include 250 colonial homes across their 2026 tours. One of the season’s most exclusive offerings is “Colonial Homes of Dutchess County: A Tour of Historic Interiors,” a one-day-only charter bus experience taking place Saturday, April 25, 2026.
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Apr 25, 2026
1:00 PM
to 2:00 PM
Location: 145 Sterling Street, Beacon, NY 12508
On Saturday, April 25 at 1 p.m. Mount Gulian Historic Site, Beacon, will offer a talk about the local history of the Lenape Native Americans, the first inhabitants of the region.
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Apr 25, 2026
1:00 PM
to 2:00 PM
Location: 218 Spring Street, Catskill, NY 12414
Join esteemed art historians and Hudson River School scholars, Alan Wallach and Nancy Siegel, for an Opening Conversation on Thomas Cole’s enduring legacy and profound impact on American art in the 250th anniversary of the nation’s founding.
This program is in commemoration of the opening of the new Richard Sharp Gallery and exhibition, 'Thomas Cole: An American Visionary.'
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Apr 25, 2026
2:00 PM
to 4:00 PM
Location: 10 South Water Street, Peekskill, NY 10566
Opening Day for the 2026 Season
Meet General Ulysses S. Grant as he talks about his life, his military career, his presidency, and his relationship with illustrator Thomas Nast!
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Apr 25, 2026
4:00 PM
to 6:00 PM
Location: 218 Spring Street, Catskill, NY 12414
Celebrate the opening of the new Richard Sharp Gallery and exhibition, 'Thomas Cole: An American Visionary,' with art, sips, and good friends from 4–6 pm. All are welcome, but we hope that you will consider becoming a member.
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Apr 26, 2026
12:00 PM
to Oct 25, 2026, 3:00 PM
Location: 145 Sterling Street, Beacon, NY 12508
Mount Gulian Historic Site, Beacon, invites visitors to join us as we open for the 2026 Tour Season.
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Apr 28, 2026
11:00 AM
to 1:00 PM
Location: Beacon, NY Hudson River Dock, 2 Red Flynn Drive
Special tour to Bannerman Island for the Press and other Cultural Organizations to see the restoration progress being made on Bannerman Island and to learn about upcoming 2026 island events.
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Apr 29, 2026
7:00 PM
Location: TEMPO Performing Arts Center, 29 Wurts St, Kingston, NY 12401
Join master singer-songwriter Steve Earle for an intimate solo and acoustic concert at the TEMPO Performing Arts Center in Kingston, NY to benefit Hudson River Sloop Clearwater.
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May 1, 2026
10:00 AM
to Jun 15, 2026, 5:00 PM
Location: 472 Route 403
This exhibit depicts the major battles of the American Revolution tough the experiences of Col. Nicholas Fish. There is an opening reception Friday, May 1 at 5:30 p.m.
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May 1, 2026
11:30 AM
to 12:30 PM
Location: 218 Spring Street, Catskill, NY 12414
Join Amanda Malmstrom, Thomas Site Associate Curator, for a guided tour of the new exhibition, 'Thomas Cole: An American Visionary.'
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May 1, 2026
4:00 PM
to 5:00 PM
Location: 218 Spring Street, Catskill, NY 12414
Be the first to hear new discoveries from the Class of 2026 Cole Fellows, Maya Junkins and Peyton Masilun, during a discussion of their year-long research projects at the Thomas Cole National Historic Site.
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May 1, 2026
7:00 PM
to 8:30 PM
Location: 19 Jaffray Park, Irvington, NY 10533
Author Shirley L. Green presents the fascinating history of the Frank brothers, free men of color, who served in the Rhode Island Regiment.
Q & A and reception to follow.
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