New Jersey By mrbrandt Dec 1, 1500 Lennape are the first Native Americans to see New Jersey. lenni lenape were the first people to see new jersey Sep 9, 1524 Giovnni da Verrazzano claims New Jersey land for Engalnd Dec 26, 1776 General George Washington crosses the Delaware River May 9, 1787 New Jersey becomes the third state admitted to the union May 9, 1871 The first boardwalk is built in Atlantic City. May 9, 1878 Thomas Edison builds his laboratory in Menlo Park Nov 8, 2012 Hurricane Sandy strikes