A Baptist minister, King led the civil rights movement by peacefully pursuing a vision of racial justice. He was assassinated in 1968.
The TSA said unscheduled absences on Saturday reached 8 percent of its 51,000 officers, compared with 3 percent a year ago.
A former CIA technical operations officer who helped rescue six U.S. diplomats from Iran in 1980 and was portrayed by Ben Affleck in the film "Argo" has died.
The entire eclipse took more than three hours. Totality — when the moon's completely bathed in Earth's shadow — lasted an hour.
The freeze follows the weekend's run-ins with power outages, canceled trains and planes, overnight stays at the airport and traffic jams.