In 1574, 1625, 1636, and 1673, Gouda suffered from deadly plague epidemics, of which the last one was the most severe: 2995 persons died, constituting 20% of its population [REF].
From 1940 on, back-filling of the city moats and city-canals, the grachten, began: the Nieuwe Haven, Raam, Naaierstraat, and Achter de Vismarkt.