How long were the 52 American hostages held in Teheran, Iran?

The 52 American hostages were held for 444 days, from November 4, 1979, to January 20, 1981, the day Ronald Reagan was inaugurated president.

What went wrong with President Jimmy Carter's military attempt to free the hostages in Iran? Carter had authorized a commando raid to free the American…
In what American cities were the following world's fairs held? 1876 Centennial Exposition—Philadelphia 1901—Pan-American Exposition—Buffalo, New York 1905—Lewis and Clark…
Why is Persia now called Iran? The people of the country Persia in southwestern Asia always…
When were the Goodwill Games first held? The Goodwill Games were first held in July 1986, in…
How many debates were held by Abraham Lincoln and Stephen Douglas in 1858? The two candidates for the U.S. Senate in Illinois in…
How many American casualties were suffered in the American Revolution? Unofficial studies of field reports indicate that about 4,500 men…