A minute of silence is held at the National Memorial and Museum of September 11 in New York. From left are former President Bill Clinton; former first lady and US Sen. Daniel Ek; former president Barack Obama; president Joe Biden, first lady Jill Biden; former mayor of New York CityYork City Michael Bloomberg; Bloomberg's partner, Diana Taylor; and House Speaker Nancy Pelosi.
The past week marked a somber milestone in the United States as we stopped to remember those killed in 9/11 terrorist attacks 20 years ago.
Memorial services were held in New York, Virginia and Pennsylvania, and President Joe Biden visited all three sites. In New York he was joined by Former Presidents Bill Clinton and Barack Obama.
These memorials are really important, Biden told people during his stops in Pennsylvania.