Former presidents ... Him as All 5 Living Presidents Reunite at Jimmy Carter's Funeral Jimmy Carter's Son Calls Former President a 'Hero' in Death Tribute: 'He Brought People Together' Jimmy ...

In honor of President's Day, we've rounded up the best photos of former US presidents enjoying each other's company.

See All the Moving Photos from the Former President's Funeral Services Mia Love, the GOP's First Black Congresswoman, Dies of Brain Cancer at 49 After Sharing Her Last 'Living Wish' ...

Bush's appearance at the inauguration comes just weeks after he and the other former presidents sat together at Jimmy Carter's funeral. See pictures of former President Bush at the inauguration below.