Some other embassies have not formally closed, but their staff members have all departed.
Following the 1979 attack, all remaining U.S. government personnel were withdrawn and the embassy closed.
Flights may be canceled, a few embassies closed.
However, both embassies had closed in 1989 and did not re-open until after Hick's arrest.
Kidnapping and killing of foreign diplomats has forced virtually all embassies to close their consular sections.
Washington is reopening an embassy closed in the mid-1990's after the ambassador, a vocal human rights critic, began getting death threats.
The embassy itself, officials said, would be closing due to the heightened security risk.
Iraq announced the annexation of Kuwait and subsequently ordered all foreign embassies closed.
The other shoe dropped today when the embassy closed.
It was the first time in memory that the embassy had closed its doors for security reasons, officials said.