1981- 10,00 Chilean copper workers strike.
1960- the Palacio de Planato, the workplace of the Brazilian president, designed by architect Oscar Neimeyer, opens.
2010- a drilling rig explosion causes a massive oil spill in the Gulf of Mexico.
1940- 34 people are killed when a Lake Shore Ltd. Train derails in New York.
2008- A crane in China lifts a barge, ballasted with water, weighing 20,133 tonnes.
1961- Construction begins on the Space Needle in Seattle.
1916- the tallest structure in Austria, the Donauturm tower, opens for the first time.
1964- The Chesapeake Bay Bridge-Tunnel opened for the first time.
1922- Ground breaks for the construction of Solider Field in Chicago, Illinois, home of the Chicago Bears.
1933- First flight over Mount Everest.