Video: 'Iran Hostage Crisis' (Operation Eagle Claw at 2:49)

(Friday, April 25, 1980, 2:00 a.m. Iran Daylight Time) — Operation Eagle Claw, an attempt to rescue 52 embassy staff held captive at the U.S. Embassy in Tehran, Iran, was aborted early this morning after mechanical problems grounded rescue helicopters and eight U.S. servicemen were killed when a helicopter crashed into a transport aircraft. Continue reading 8 crewmen die as U.S. attempt to rescue American hostages in Iran fails 40 years ago this hour #OnThisDay #OTD (Apr 25 1980) →

Video: 'The Library of Congress Is Your Library'

(Thursday, April 24, 1800) — The Library of Congress (LOC), the research library that officially serves the United States Congress and is the de facto national library of the U.S., was established today when President John Adams signed an act of Congress providing for the transfer of the seat of government from Philadelphia to the new capital city of Washington. Continue reading Library of Congress established 220 years ago #OnThisDay #OTD (Apr 24 1800) →