In the British comedy sketch Dinner for One, what occasion are the characters celebrating?

In the British comedy sketch Dinner for One, the characters are celebrating Miss Sophie’s 90th birthday.

The sketch features Miss Sophie hosting a formal dinner for four absent friends while her butler, James, serves each course and impersonates the guests. The repeated toast, “The same procedure as every year,” drives the physical comedy. Although the sketch is British, it became a major New Year’s Eve television tradition in Germany and several other European countries.

The program’s holiday association can cause a frequent error: the story’s event is not New Year’s Eve. Its recurring broadcast schedule created the connection. The performance most commonly shown was recorded in 1963 for German television, starring May Warden as Miss Sophie and Freddie Frinton as James. The sketch originated in the English-language stage repertoire and later became far more famous in continental Europe than in Britain.