What day of the week was September 15, 1666?
The day of the week September 15th, 1666 fell on was a Wednesday.
Sophia Dorothea of Celle (d. 1726) was born on 15 September in 1666.
The day of the week September 15th, 1666 fell on was a Wednesday.
Sophia Dorothea of Celle (d. 1726) was born on 15 September in 1666.