In 2nd stadthouderless period, Delft granted charter for an independent Veertigraad
Date:
December 21, 1650
In 2nd stadthouderless period, Delft granted charter (signed by Jacob Cats, Grand Pensionary) for the veertigraad to elect its own burgemeesters and schepenen without having to submit double lists to the Stadhouder.
Document:
Boitet Beschryving Ch III