the nation's leader on 9/11, is due at the Pennsylvania memorial and his successor, Barack Obama, at ground zero. The only other post-9/11 U.S.
president, Donald Trump, is planning to be in New York, in addition to providing commentary at a boxing match in Florida in the evening.Other observances — from a wreath-laying in Portland, Maine, to a fire engine parade in Guam — are planned across a country now full of 9/11 plaques, statues and commemorative gardens.An American flag hangs from the side of the Pentagon to commemorate the 20th anniversary of the 9/11 attacks,as seen from the Pentagon 9/11 Memorial on September 11, 2021, in Washington,DC. - America marks the 20th anniversary of 9/11 Saturday with s RELATED: 20 years later: A timeline.