Upon recently receiving a Colonial Williamsburg flier in the mail, I had occasion to check out their website. There, I learned of a magazine, Trend and Tradition, that they produce, e-version is free. I happened to run across the following article from the e-version of the magazine, which contains this interesting note. Maybe when I retire, I'll have more time to beef up my historical knowledge.
https://www.colonialwilliamsburg.com/learn/trend-and-tradition-magazine/george-iii-battle-to-save-an-empire
Quote:
The papers of George III an estimated 350,000 documents located in the Round Tower at Windsor Castle generally have not been widely available since he died in 1820. In April 2015, Queen Elizabeth II opened the papers to scholars.
https://www.colonialwilliamsburg.com/learn/trend-and-tradition-magazine/george-iii-battle-to-save-an-empire