1992 Event 1st structural steel beams are erected at Gateway (Jacobs Field) 1968 Event London Bridge is sold to U.S. oil company to be erected in Arizona 1939 Event 1st Anderson bomb shelter in Britain erected in an Islington garden 1938 Event Bronze memorial statue of Henry Hudson erected in Bronx 1904 Event 1st monument honoring Spanish American War erected (Monroeville Ohio) 1881 Event Ancient Egyptian obelisk "Cleopatra's Needle" erected in Central Park 1792 Event Humane Society of Massachusetts incorporated (erected life-saving stations for distressed mariners)