According to heraldic sources 1,600 is a total estimated number of all legal ennoblements throughout the history of Kingdom of Poland and Polish-Lithuanian Commonwealth from the 14th century onward (half of which were performed in the final years of the late 18th century).
What suggests it took 400 years for the first 800 ennoblements?
1,600 is a total estimated number of all legal ennoblements throughout the history of Kingdom of Poland and Polish-Lithuanian Commonwealth from the 14th century onward (half of which were performed in the final years of the late 18th century)