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September 20, 2025 - September 21, 2025
Rock Creek Park Day: Celebrate 135 years of Rock Creek Park
Rock Creek Park (U.S. National Park Service), District of Columbia
https://www.nps.gov/rocr/learn/news/rock-creek-park-135.htm
https://www.nps.gov/rocr/planyourvisit/rock-creek-park-day.htm

September 20, 2025 - September 21, 2025
NAS Oceana Airshow
NAS Oceana, Virginia Beach, Virginia
https://www.oceanaairshow.com/
-
Navy Legacy Flight
https://navylegacyflight.org/schedule.html

September 20, 2025 - September 21, 2025
Saratoga National Historical Park Weekend - 1st Battle of Saratoga Anniversary | Battles of Saratoga 250 - America's Turning Point
Saratoga National Historical Park, New York
https://saratoga250.com/news-events/events/snhp-weekend-1st-battle-of-saratoga-anniversary/

September 20, 2025 - September 26, 2025
ICALEPCS 2025
Argonne National Laboratory
https://www.anl.gov/event/icalepcs-2025

September 20, 2025 - September 29, 2025
St. Michael Novena for the Renewal of America: Join Our 4th Annual St. Michael Novena
CatholicVote Civic Action
https://catholicvote.org/novena

SEPTEMBER 20, 1850
Compromise of 1850: Primary Documents in American History
Library of Congress
https://www.archives.gov/milestone-documents/compromise-of-1850
https://guides.loc.gov/compromise-1850

SEPTEMBER 20, 1850
Milestone Documents: Compromise of 1850 (1850)
National Archives
https://www.archives.gov/milestone-documents/compromise-of-1850

September 20, 2025
Symposium for Teachers at UW-Stout: Free Speech, Citizenship, and Civil Dialogue
The Menard Center for the Study of Institutions and Innovation at the University of Wisconsin-Stout, in partnership with the Jack Miller Center
https://www.jackmillercenter.org/get-involved/events/symposium-for-teachers-at-uw-stout-free-speech-citizenship-and-civil-dialogue

September 20, 2025
Jubilee 2025 - Jubilee of Justice
USCCB
https://www.usccb.org/jubilee2025
https://www.usccb.org/resources/Jubilee%20Celebration%20Calendar.pdf
https://www.iubilaeum2025.va/en/pellegrinaggio/calendario-giubileo/GrandiEventi/Giubileo-degli-Operatori-di-Giustizia.html

September 20, 2025
World Cleanup Day
United Nations Human Settlements Programme (UN-Habitat)
https://unhabitat.org/events
https://unhabitat.org/events/world-cleanup-day-0

September 20, 2025
6:00 AM EDT
LIVE | Jubilee of Justice | Jubilee Audience of Pope Leo XIV | September 20, 2025
EWTN
https://youtube.com/watch?v=zgcXTs3iGiA

September 20, 2025
8:00 AM EDT
America 250: Lectures in History - Colonial School for Black Children. William & Mary Bray School Lab director Maureen Elgersman Lee discussed the history of the 18th-century Williamsburg Bray School for Black children and the legacies of the 300 to 400 scholars it enrolled. William & Mary is located in Williamsburg, Virginia.
American History/BookTV
https://www.c-span.org/event/america-250/colonial-school-for-black-children/432626

September 20, 2025
8:00 AM EDT
The 33rd Annual Haunting in the Hills Storytelling Festival Schedule of Events Announced
Big South Fork National River & Recreation Area (U.S. National Park Service)
https://www.nps.gov/biso/learn/news/the-33rd-annual-haunting-in-the-hills-storytelling-festival-schedule-of-events-announced.htm
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