The American Mountain Men of the Missouri River Brigade at Fort Osage in October of 2017.

Here is the 2018 calendar of events for Fort Osage National Historic Landmark. Check back often for changes and new events!

War of 1812 in the West Symposium
Saturday, March 24 – Sunday, March 25
Time: 9:00 a.m. – 4:30 p.m.
Join scholars and presenters at Fort Osage for the 28th annual War of 1812 Symposium. This symposium is the longest continuous War of 1812 symposium in the United States. The event is free to the public with an additional fee to tour the Fort. Authors will also be available for book signings during the event this must-see event. For more information, please visit: 1stusinfantry.com/war-of-1812-symposium
Historic Sibley Cemetery Tour
Saturday, April 21
Time: 10:00 a.m. and 2:00 p.m.

Walk through the Sibley cemetery with a professional guide and experience history in a new way. Hear the perspective of little-known individuals that are part of our historic fabric and the fascinating events of their lives at this family-friendly event.
Napoleonic Wars Muster
Saturday, April 28 - 9:00 a.m. to 4:30 p.m.
Sunday, April 29 until 1:00 p.m.

Discover the lives of American military counterparts in the Age of Napoleon (1799-1815) during this event at Fort Osage. Come away with a better understanding of how the conflict with Napoleon impacted Fort Osage.
Spring Nature Walks
Saturday, May 5

Time:
9:00 a.m. – 4:30 p.m.
Learn about the flora and fauna surrounding Fort Osage and enjoy a guided hike along the Banks of the Missouri River. Special attention will be given to local species found during the Lewis & Clark Expedition of 1804-1806.
Artifact Identification & Archaeology Day
Saturday, May 12

Time: 10:00 a.m. – 3:00 p.m.

Visitors may bring their arrowheads and other artifacts to have authenticated by professional archaeologists. Visitors will gain a better understanding of how the science of archaeology helps us to understand the past. The nationally recognized significance of Fort Osage will be discussed along with a presentation of artifacts recovered from the site over the last 70 years!
Paranormal Investigation at Fort Osage
Saturday, May 19
Time: TO BE DETERMINED
Cost: $30.00 Per Person (Ages 12 & Up Only)
Visitors will participate in a search for paranormal activity with trained ghost hunters! Observe the tools the professionals use to interact and detect spirits that inhabit this historical site. Visitors will search for spirits throughout the Fort and the factory building. Feel the hairs on the back of your neck stand up straight! Advanced reservations are required. Please call (816) 229-8980 ext. 106, to make a reservation.
*Minors ages 12-17 must be accompanied by an adult at all times
**Investigation will require traveling distances up to a ¼ mile at a time. Individuals needing additional assistance must notify Fort Osage staff at the time of reservation.
Flag Day
Saturday, June 9
Time: 9:00 a.m. – 4:30 p.m.
Special presentations at 10:30 a.m. & 2:30 p.m.

Learn about proper flag etiquette and explore a display of flags representing different periods of American history. Our knowledgeable staff will answer questions and provide valuable historical information about our nation’s enduring symbol.
Court Martial at Fort Osage
Saturday, June 16
Time: 10:00 a.m.

A member of the 1st US Infantry is charged with an offense and will face a board of officers who will hear and weigh the case against the man. You may be chosen to serve on the panel and decide the fate and punishment of the soldier.
American Mountain Men Camp
Saturday, September 15 – Sunday, September 16
Time: 9:00 a.m. – 4:30 p.m.

Discover how the traders and mountain men survived the rugged terrain of the western United States. Join the American Mountain Men of the Missouri River Brigade as they demonstrate daily activities from camp life to Native American sign language. Learn how these early traders interacted with native groups and how they conducted transported goods across the rugged and dangerous terrain.
Grand Festival of Chez les Canses
Saturday, September 22
Time: 9:00 a.m. - 4:30 p.m.
Explore how early French settlers lived at the confluence of the Missouri and Kansas Rivers in the late 1700s. Re-enactors will interpret everyday life skills common on the frontier. Artisans will display custom-made wares, both decorative and utilitarian, which were essential to these early settlers.
Music at the Fort
Saturday, October 20
Time: 10:00 a.m. to 4:00 p.m.

Listen as historic Fort Osage comes alive with the sounds of music from the past and reacquaint your family with the music of a bygone era and understand the role of two centuries ago.

The 31st Annual Fall Muster at Fort Osage. October 2017.

Annual Fall Muster
Saturday, October 27 – Sunday, October 28

Time: 9:00 a.m. – 4:30 p.m.
Experience the trepidation felt by the soldiers and civilians living at Fort Osage in 1812 as news of imminent war with Great Britain reaches their remote frontier outpost. Unsure if the small garrison can successfully defend the fort, the soldiers form a civilian militia to augment their meager resources. Women begin to store rations and help bolster the military capacity, not knowing if they will have to fight or evacuate, fleeing for their lives! Cannon practice, musket practice, and infantry drills keep the soldier “at the ready” for action. This annual event is nationally recognized as one of the most authentic interpretations of the period.

All events are subject to change.
Updated: 25 FEB 2018