1869- the removable tempered steel plow blade is patented by James Oliver.
1913- Grand Central Station in New York opens for the first time.
1894- the pneumatic hammer is patented by American, Charles King.
1955- Construction begins on the Lake Pontchartrain Causeway, a bascule bridge in Louisiana, U.S.A.
1883- The first overhead wire electrical system is turned on in New Jersey.
1905- The baroque revival-styled Parliament House opens in Stockholm, Sweden.
1863- London Underground began operation
1858- Henry Miller, the first Grand President of the International Brotherhood of Electrical Workers (IBEW) is born.