Bilateral relations between Saudi Arabia and the United States began in 1933 when full diplomatic relations were established. These relations were formalized under the 1951 Mutual Defense Assistance A
U.S. President Donald Trump with the Crown Prince of Saudi Arabia Mohammed bin Salman in Riyadh in May 2025.
U.S. President Donald Trump with the King of Saudi Arabia Salman bin Abdulaziz Al Saud in Riyadh at a summit in May 2017.
King Ibn Saud converses with President Franklin D. Roosevelt on board the USS Quincy, after the Yalta Conference in 1945.
President Eisenhower and Vice President Richard Nixon with their host, King Saud of Saudi Arabia, at the Mayflower Hotel in 1957
Donald Trump's first tenure as the president of the United States began on January 20, 2017, when he was inaugurated as the 45th president, and ended on January 20, 2021. Trump, a Republican, took off
Official portrait, 2017
Incumbent president Barack Obama and President-elect Trump in the Oval Office on November 10, 2016
Chief Justice John Roberts administers the presidential oath of office to Trump at the Capitol, January 20, 2017