Event:
Court documents have been unsealed for rulings in 2008 requiring companies to give customers' online data to the U.S. government with no warrant; the papers show that Yahoo! sued but lost, resulting in compliance by Yahoo!, Google, Apple, and others
More Notable Events on September 11: 2001 19 Islamist terrorists hijack four commercial jets, killing nearly 3,000 in New York, Virginia and Pennsylvania
1967 U.S. Surveyor 5 makes 1st chemical analysis of lunar material
1950 Dick Tracy TV show sparks uproar concerning violence
1946 1st mobile long-distance car-to-car telephone conversation
1939 Iraq and Saudi Arabia declare war on nazi-Germany
