The oldest living United States president is another year older.
Wednesday, George H.W. Bush, the 41st president, celebrated his 89th birthday at the family's summer home in Kennebunkport, Maine.
His wife, former First Lady Barbara Bush, celebrated her 88th birthday Saturday.
The George H.W. Bush Presidential Library Foundation suggested that people celebrate the president's birthday by wearing "exuberant socks" like the former commander-in-chief enjoys sporting.
President Bush, whose presidential library and museum opened at Texas A&M University in 1997, served in the country's highest elected office from 1989 until 1993. He was the vice president for eight years under his predecessor, Ronald Reagan. He was also the Central Intelligence Agency director, the Republican National Committee chairman, the U.S. ambassador to the United Nations and a congressman, among other jobs.
The Bush Library, as is tradition, hosted a celebration that included free birthday cake among other snacks.
Only Gerald Ford, Reagan, John Adams and Herbert Hoover lived longer lives than "Bush 41." Hoover lived to be 90 years and 71 days old.
Bush and Adams hold the distinction of being the only two presidents who are also fathers of presidents.
The 41st president began the year in a hospital in Houston, a stint that lasted two months due to bronchitis-related issues. He appeared in good spirits and spoke at the dedication of George W. Bush's presidential library on the Southern Methodist University campus in Dallas in April. All the living presidents -- Jimmy Carter, both Bushes, Bill Clinton and Barack Obama -- were in attendance.
Carter is just behind Bush and stands sixth on the list of oldest living presidents. He was born in October of 1924, about three-and-a-half months after Bush.
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