May 2026
New Acquisition: 19th Century Family Letters
The foundation has received a donation of 43 letters from the estate of a Semple descendant, spanning 1874 to 1902. Conservation work begins this summer.
April 2026
Spring Lecture Series Announced
This year's spring programming features four public lectures on Oklahoma territorial history, led by local historians and university faculty.
March 2026
Youth Education Program Launches
We've launched a new free program for Tulsa-area middle school students, including guided research sessions and a student exhibition each semester.
February 2026
Conservation Lab Opens to Public Tours
For the first time, visitors can observe active conservation work through the lab's viewing window on Thursday evenings from 5–7 pm.
October 2025
Harvest Heritage Gala Raises $18,000
Our 2025 benefit gala brought together more than 120 supporters and raised $18,000 for the foundation's conservation and outreach programs.
August 2025
Digital Archive Project Underway
With the support of a preservation grant, we have begun digitizing the first 300 items in the Semple archive, to be made available online by year's end.