Today in History—September 9: The First Literal Computer Bug: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

September 9, 1967: A moth was causing problems for the Harvard Mark II computer

See All Images →

Topics

moth September computer first-generation computer Today in History—September 21: The Day a Beast of Gévaudan Was Killed Today in History—September 10: The Man Behind the Can Patents a Spaghetti Cooker Today in History—September 26: TV Transformed Presidential Campaigns Today in History—September 25: The Little Rock Nine’s First Full Day of Class Today in History—September 30: Robinson Crusoe Is Shipwrecked Today in History—September 29: John D. Rockefeller Becomes the World’s First Billionaire Today in History—September 28: Washington’s Ruse and the Siege of Yorktown Today in History—September 22: The Day Only 413 Fans Watched the Yankees Today in History—September 19: Unraveling the Mystery of the Healthy Carrier Today in History—September 23: Welcome Back, Lewis and Clark!