1952 Hussein is proclaimed King of Jordan.
1955 Albania, Austria, Bulgaria, Cambodia, Finland, Hungary, Ireland, Italy, Jordan, Laos, Libya, Nepal, Portugal, Romania, Spain and Sri Lanka join the United Nations.
1967 Six-Day War begins: The Israeli air force launches simultaneous pre-emptive attacks on the air forces of Egypt, Jordan, and Syria.
1968 Israeli-Jordanian border clashes.
1968 Battle of Karameh in Jordan between Israeli Defense Forces and Fatah.
1970 Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of PFLP and taken to Dawson's Field in Jordan.
1970 Fighting between Arab guerrillas and government forces in Amman, Jordan.
1970 Hijacking (and subsequent destruction) of three airliners to Jordan by Palestinians; the events to follow would later become known as ''Black September''
1970 A British airliner is hijacked by the Popular Front for the Liberation of Palestine and flown to Dawson's Field in Jordan.
1970 Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
1970 King Hussein of Jordan declares military rule following the hijacking of four civilian airliners by the Popular Front for the Liberation of Palestine (PFLP). This results in the formation of the Black September Palestinian paramilitary unit.
1970 Syrian tanks roll into Jordan in response to continued fighting between Jordan and the fedayeen.
1970 Cease-fire between Jordan and the Fedayeen ends fighting triggered by four hijackings on September 6 and 9.
1970 Jordan makes a deal with the Popular Front for the Liberation of Palestine (PFLP) for the release of the remaining hostages from the Dawson's Field hijackings.
1978 King Hussein of Jordan marries American Lisa Halaby, who takes the name Queen Noor.
1987 The London Agreement is secretly signed between Israeli Foreign Affairs Minister Shimon Peres and King Hussein of Jordan.
1994 Israel's Shimon Peres visits Jordan, the highest ranking Israeli official to do so
1994 Israel and Jordan sign the Washington Declaration, which formally ends the state of war that had existed between the nations since 1948.
1994 Jordan and Israel sign a peace treaty
1999 Crown Prince Abdullah becomes the King of Jordan on the death of his father, King Hussein.