What was Sobieski’s day of birth by the Gregorian calendar?
17 April
17 June
17 August
17 October
Answer
The Gregorian calendar marks Sobieski's day of birth as August 17th. This date commemorates the anniversary of his birth according to the widely used calendar system adopted in many parts of the world.
Sobieski's Stand: The Royal Challenge on the Life and Reign of John III Sobieski