Nine years ago, on March 23, 2005, the British Petroleum oil refinery in Texas City, Texas, an hour south of Houston, in so many words, blew up.
On Feb. 3, 1971 there was a major explosion at the Thiokol Chemical Plant located near Woodbine, Georgia.
The coal miners were underpaid Eastern Europeans who were told not to complain about their substandard and dangerous working conditons.
The disaster shook the people of Calumet and surrounding communities in the copper-rich Keweenaw region of Michigan's Upper Peninsula.
1907 was a particularly troubling year in West Virginia, during which a total of 3,242 people were killed in mining accidents.
The typhoon destroyed several hospitals, along with homes, schools, power lines, bridges and virtually everything else.
In addition to 300 dead there were 100,000 left homeless. When the fire destroyed the waterworks, the city's water supply was cut off and the firefighters were forced to give up.
The derailment left 11 of the eighteen on board dead and the remaining seven injured. Among the dead were engineer Broady, the conductor, and the flagman.
Six people who died here June 5 have been described as being "of different backgrounds and classes."
Officials said they expected the death toll to rise.