Event:
Humbar Estuary Bridge, U.K., world's longest span, 1.4 km, opens
More Notable Events on July 17:
1989 1st Test flight of U.S. stealth-bomber
1955 Disneyland opens its doors in rural Orange County
1955 Arco, Idaho becomes 1st U.S. city lit by nuclear power
1897 1st ship arrives in Seattle carrying gold from Yukon
1821 Spain cedes Florida to U.S.
