Mezue nkebi ahịrịokwu a: Na narị afọ nke 14, Haarlem bụ obodo ukwu. Ọ bụ obodo nke abụọ kachasị ukwuu na akụkọ ihe mere eme Holland mgbe Dordrecht na n'ihu Delft, Leiden, Amsterdam, Gouda na Rotterdam. N'afọ 1429, obodo ahụ nwetara ikike ịnakọta ụtụ isi, gụnyere ụgbọ mmiri na-agafe obodo ahụ n'osimiri Spaarne. Ná ngwụsị nke Middle Ages Haarlem bụ obodo na-eme nke ọma nke nwere nnukwu ụlọ ọrụ akwa, ebe a na-arụ ụgbọ mmiri na ebe a na-eme biya biya. N'ihe dị ka afọ 1428, ndị agha Jacqueline, Countess nke Hainaut nọchibidoro obodo ahụ. Haarlem kwụnyeere ndị Cods n'agha ahụ.
Agha Hook na Cod, ma si otú ahụ megide Jacoba nke Bavaria. Ndị iro gbara ọhịa Haarlemmerhout dum ọkụ.