May 16 1805
One was held on King’s birthday, which was June 4, in 1810
April 30, 1812, the first since King’s illness
May 16, 1814
July 14, 1814 Buckingham House
March 21, 1816
Feb. 27, 1818
June 7, 1819
According to Ms. Mayer, drawing rooms were also held on the queen’s and king’s birthdays. If you want to know more about court presentation and how a lady might go about receiving and invitation to such an auspicious occasion, please check out my blog post on the topic.
Here is a virtual tour of the queen's drawing room, which still looks very Georgian.