Park Ranger Speaker Series

The Interior Library is proud to present a series of programs on the background and history of sites of interest in the Washington, D.C. region and around the country. Programs highlighting the history of the United States are also offered. The one-hour programs, presented by National Park Service Rangers, are presented virtually via webinar.

To register for a future Park Ranger Speaker Series program, please use our Park Ranger Speaker Series registration form. If the registration form does not work at your location, you may use the Library's contact form. If you have any questions or concerns, contact the Interior Library by e-mail at library@ios.doi.gov or by phone at (202) 208-5815.

Please note that due to Section 508 access restrictions, links to recordings of Library programs can no longer be shared with Library patrons. Those who register for these programs will need to attend them live at the scheduled date and time. All programs are limited to 200 attendees.
 

Upcoming Programs

Echoes of Antietam: Turning Point of a Nation
Wednesday, September 16, 2026, 1:00 pm - 2:00 pm ET

Step onto the fields of Antietam, the bloodiest day in American military history, where the future of the nation hung in the balance. On September 17, 1862, two great armies collided in a battle that reshaped the course of the Civil War and transformed Abraham Lincoln’s relationship with General George B. McClellan. Discover how this single day carried enormous military stakes and far‑reaching political consequences. Join Rangers Paul O’Brian and Caitlynn Sublette for a gripping exploration of Antietam’s fierce combat, pivotal decisions, and powerful legacy—an unforgettable story that continues to echo through American history.

Please note: This program is only being offered as a simultaneous online webinar. Please contact the Library to obtain webinar information for this program.
 

The Aftermath of the Attack on Pearl Harbor and the War Years in Hawaii 
Tuesday, October 20, 2026, 1:00 pm – 2:00 pm ET 

On the morning of December 7, 1941, the Territory of Hawaii witnessed the devastating cost of war firsthand. In the shock and aftermath of the attack, Hawaii’s people—civilians and military alike—mobilized with remarkable determination to support the United States in a global fight for survival. Under martial law, communities across the islands pulled together to rebuild, adapt, and strengthen America’s presence in the Pacific. This program, to be presented by Ranger Jason Ockrassa, highlights Oahu, the heart of Hawaii and home to its largest population center, the City and County of Honolulu during the war years. Attendees will journey from the chaos and courage that followed the “Day of Infamy” through the extraordinary efforts that transformed the island into a vital military stronghold.

Please note: This program is only being offered as a simultaneous online webinar. Please contact the Library to obtain webinar information for this program.


 

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