Among other things, the Great Molasses Flood took out the elevated subway tracks that ran over Commercial Street, as shown in this photo by news photographer Leslie Jones.
At 12:30 p.m., take a moment to remember the 21 people killed by a gooey, bittersweet flood of more than 2 million gallons of molasses, just moments after the machine-gun-like sound of rivets giving way echoed across the North End and the tank burst on an unseasonably warm January day in 1919, thanks to shoddy construction by the tank's owner.
Tank on a map.
Dark Tide: The Great Boston Molasses Flood of 1919, by Stephen Puleo.
Photo by Leslie Jones from the BPL's Molasses Disaster collection. Posted under this Creative Commons license.