Newark New Jersey By Mdarias Oct 5, 1666 Newark was founded in 1666 Newark was founded in 1666 by Conneticut puritans led by Robert Treat Period: Oct 5, 1666 to Oct 5, 1900 17th,18th,19th Century Oct 5, 1743 Trinity Church and St. Philips Cathedral were built. Oct 5, 1787 First Presbyterian Church Built Oct 5, 1814 Newark Bible Society founded Oct 5, 1831 Plane street church organized Oct 5, 1836 Newark incorperated as a city Oct 5, 1846 New Jersey Historical Society headquartered in Newark Oct 5, 1847 Library Association Founded Oct 5, 1850 Bethal mission established Oct 5, 1857 City police department established Oct 5, 1869 Newark and New York Railroad begins operating Oct 5, 1874 St. Stephens church built Oct 5, 1884 Prince street synagogue built. Oct 5, 1888 First baptist Peddie Memorial Church built. Oct 5, 1894 Sacred heart of Jesus Christ built Oct 5, 1895 BranchBrook Park established