1975- Construction on the CN Tower in Toronto, Canada, is finished.
1893- 10 are dead when a fire occurs at a Shamokin, Pennsylvania coal mine.
1967- the patent for the backhoe swing mechanism is filed.
1957- the New York, Ontario and Western Railway is liquidated.
1956- the Arqiva Crystal Palace in England opens.
1703- ‘Russian Versailles’, Peterhof Palace in Petersburg, Russia is founded.
2000- the Kingdome in Seattle, Washington is demolished.
1947- An explosion at the Centralia No. 5 coal mine kills 111 miners.
1494- Georgius Agricola, father of mineralogy, is born.
1914- the Canadian Copper Corporation is organized in Virginia.