The largest recorded snowstorm in the history of Washington, D.C., collapsed the Knickerbocker Theatre (damage pictured), killing 98 people.

The Knickerbocker storm was a blizzard on January 27–28, 1922 in the upper South and the middle Atlantic United States. The storm took its name from the resulting collapse of the Knickerbocker Theatre in Washington, D.C., shortly after 9 p.m. on January 28, which killed 98 people and injured 133.

Washington, D.C., officially the District of Columbia and commonly known as simply Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with Maryland to its north and east. It was named after George Washington, the first president of the United States. The district is named for Columbia, the female personification of the nation.

The Knickerbocker Theatre was a movie theater located at 18th Street and Columbia Road in the Adams Morgan neighborhood of Washington, D.C. in the United States. The theater's roof collapsed on January 28, 1922, under the weight of snow from a two-day blizzard that was later dubbed the Knickerbocker storm. The theater was showing Get-Rich-Quick Wallingford at the time of the collapse, which killed 98 patrons and injured 133.