By CGTN America

Donald Trump is visiting Saudi Arabia as his first stop on his first foreign trip as US president.

In Saudi Arabia, Trump will address a summit of Arab and Muslim leaders. He is reportedly going to deliver a speech about the Muslim world during the summit.

A timeline of US-Saudi ties

1933

The US and Saudi Arabia establish diplomatic ties.

1938

Riyadh and Washington create the world's biggest oil company, Arabian American Oil Company (Aramco).

1945

Then-US President Franklin D. Roosevelt agrees to provide Saudi Arabia with support and military training in exchange for oil rights.

1960

Five oil production nations, including Saudi Arabia, create the Organization of the Petroleum Exporting Countries (OPEC).

1973

Saudi Arabia's OPEC embargo against the US for its support of Israel during the October War, results in the skyrocketing of oil prices.

1980

Saudi Arabia completes Aramco buyout, assuming 100 percent control of the company.

Logo of Saudi Aramco is seen at the 20th Middle East Oil & Gas Show and Conference in Manama, Bahrain, March 7, 2017. /VCG Photo

1990

Saudi Arabia and the US launch troop buildup "Operation Desert Shield" to protect the kingdom when Iraq invades Kuwait.

1996

Terrorists bomb US military complex, Khobar Towers, in Saudi Arabia. 19 US Air Force personnel are killed and more than 350 service members and civilians are injured.

September 11, 2001

Terrorists hijack civilian airliners and fly them into the World Trade Center Twin Towers in New York, and the Pentagon. 15 of the 19 hijackers were Saudi citizens.

2002

The Arab League's 22 members endorse the Saudi-brokered Arab Peace Initiative to end the Arab-Israeli conflict. Then the US praises the "Saudi Initiative".

White House Photo

August 2002

Around 600 relatives of 9/11 victims file a lawsuit, seeking more than 100 trillion US dollars in damages from foreign banks, Islamic foundations and members of the Saudi royal family.

2007

Saudi Arabia and Syria attend the Middle East peace conference hosted by the US aimed at restarting Arab-Israeli peace talks.

White House Photo

2008

Then-US President George W. Bush, complaining that the high price of oil is hurting the US economy, asks Saudi Arabia and other OPEC oil producers to hike production to lower prices.

March 2015

Saudi Arabia launches Operation Decisive Storm to support Yemen's president against rebels. The US expands intelligence-sharing to support Saudi bombing campaigns in Yemen.

2016

US Congress overrides a veto by then-President Barack Obama, permitting families of 9/11 victims to sue Saudi Arabia, an exception to the principle of sovereign immunity.

White House Photo

2017

Donald Trump makes Saudi Arabia his first stop on his first overseas trip as US president.

AP Photo

Trump sets out on the nine-day overseas trip amid controversy back home, where investigations are ongoing into whether his campaign associates collaborated with Russia to sway November's election.

Trump departed on the official visit on Friday alongside first lady Melania Trump, his daughter Ivanka and son-in-law, Jared Kushner, as well as a group of senior advisers and journalists covering the trip.

The president also plans to travel to Israel, the Vatican, Brussels and Sicily.