SeeStewAmerican History & Politics

On this day — November 20

Curated American history anniversaries for November 20, each linked to a full SeeStew article with named sources. Empty calendar stubs are not published.

Lake Peigneur disaster (1980)
Lake Peigneur 1980: Drill Bit Hit a Salt Mine and Drained the Lake
A oil rig punctured a mine under a Louisiana lake — reversing the Delcambre Canal and pulling barges under.

← All curated anniversaries · Today's anniversaries