Bush, a Republican president from 1989 to 1993 who was credited for contributing to the end of the Cold War, was the oldest living president in history. In recent years, Bush used a motorized scooter or wheelchair for mobility. Bush's funeral, he was treated for an infection that had spread to his blood. The aircraft carrier on which he served, the San Jacinto, was awarded the Presidential Unit Citation.
President George H.W. Bush, 94, passed away late Friday night.
The statement concludes: "Our hearts ache with his loss, and we, with the American people, send our prayers to the entire Bush family, as we honor the life and legacy of 41".
As news of the statesman's death broke, the Obamas issued a statement, saying: "America has lost a patriot and humble servant in George Herbert Walker Bush".
His wife Barbara Bush died on April 17.
Bush married Barbara Pierce in January 1945, shortly before the war ended, and the couple went on to have six children, including one, Robin, who died as a child.
He was the 41st United States president between 1989 and 1993, after serving two terms as vice-president to Ronald Reagan.
From former presidents to Bush's family, support poured in from across the world. Bush Sr. was the first vice president to be elected to the presidency since 1836, and also the second person in United States history whose son was able to become president after his father.
Thousands of USA troops were sent into Panama and the country's leader, Manuel Noriega, was arrested on drug trafficking charges and extradited to the U.S. to face trial.
During his four years in the White House, Bush ordered a military operation in Panama to overthrow its drug-trafficking leader, Manuel Noriega.
On August 2, 1990, Bush faced what was arguably his greatest test. Iraq, led by Saddam Hussein, invaded Kuwait after accusing it of stealing oil and conspiring to influence oil prices. Around 425,000 USA troops and 118,000 coalition forces were mobilized for weeks of aerial strikes and a 100-hour ground battle.