November 20 in strange history
What strange thing happened on November 20? Here is the story from our files for this date, each checked against sources.
The Lake That Drained Into a Mine (1980)
On 20 November 1980 an oil rig drilled into a salt mine beneath Louisiana's Lake Peigneur. The lake drained into the mine in a giant whirlpool that swallowed barges and land.