July 11 edit
1892: The Tête Rousse Glacier on the Mont Blanc massif unleashed an outburst flood of meltwater, killing at least 200 people in the valley near Saint-Gervais-les-Bains, France.
1991: L'Express Airlines Flight 508 crashed in a severe thunderstorm in Birmingham, Alabama, killing 13 of 15 people onboard.