During the Pilgrimage of Grace ( 1536 ) Hull had been taken by the rebels . After the rebellion Henry VIII ordered improvements to the fortifications of the town ; these included the construction ( 1540s ) of a castle ( Hull Castle ) and blockhouses with connecting wall on the Drypool side of the river , as well as a bridge connecting the two banks at a cost of £ 23,155 17s 5d . After the restoration of Charles II of England the obsolete fortifications on the east bank of the river were extended and improved , at the same time incorporating a garrison into the city which had sided with the Parliamentarians during the Civil War ; the new fortress , built in the 1680s , named " The Citadel " was a moated triangular bastioned artillery fortification built in the south-west corner of Drypool ; approximately of land was taken by the new fortification . The area of the citadel became known as '' Garrison Side '' , and was an extra-parochial area ( 1880s )
Pilgrimage of Grace
Pilgrimage of Grace
Drypool