This photograph of President George W. Bush greeting firefighters, police, and rescue personnel was taken by Eric Draper on September 14, 2001 in New York City. President Bush visited the first responders to the September 11, 2001 terrorist attacks on the World Trade Center, meeting the group at what was coined Ground Zero of the horrific events that occurred just days before. Bush toured Ground Zero and gave a speech offering support to the first responders.

In this photograph by Pete Souza, First Lady Michelle Obama meets soccer superstar David Beckham at a dinner hosted by Mrs. Obama and her husband, President Barack Obama, at Winfield House in London, England on May 25, 2011. Winfield House is the residence of the United States ambassador to the United Kingdom of Great Britain and Northern Ireland. President and Mrs. Obama hosted the dinner in honor of Queen Elizabeth II of Great Britain and Prince Philip, Duke of Edinburgh (pictured next to Mrs. Obama) following a State Banquet hosted by the royal couple at Buckingham Palace the previous evening. The two dinners were a part of President Obama's two day State Visit to the United Kingdom.

In this photograph by Pete Souza, President Barack Obama watches the United States Men's National Soccer team play Ghana in the FIFA Men's World Cup on June 26, 2010. President Obama watched the game from a room at the Intercontinental Hotel in Toronto, Canada during the G20 Summit. The United States played Ghana in the knockout stage, ultimately losing 1-2 to the African nation.

In this photograph by Ralph Alswang, President Bill Clinton practices his soccer skills in front of soccer superstar Pelé on October 15, 1997. The soccer display took place following a speech by President Clinton at the Vila Olímpica da Mangueira School in Rio de Janeiro, Brazil, a stop on an extensive tour Clinton took of South America. Born Edson Arantes do Nascimento, Pelé was at the time serving as Brazil's first minister of sports.

In this photograph, taken by Kimberlee Hewitt on September 10, 2006, President George W. Bush and First Lady Laura Welch Bush participate in a wreath-laying ceremony at the north reflecting pool at the former site of the World Trade Center in New York, New York. President and Mrs. Bush paid their respects at the site to commemorate the fifth anniversary of the terrorist attacks that destroyed the twin towers of the World Trade Center on September 11, 2001. The National September 11 Memorial was later built on the site and dedicated on September 11, 2011. In May 2014, an adjacent museum was opened and dedicated by President Barack Obama.

In this photograph, President George W. Bush delivers a speech during the dedication ceremony for the National 9/11 Pentagon Memorial in Arlington, Virginia on the seventh anniversary of the terrorist attacks against the United States on September 11, 2001. Former Secretary of Defense Donald Rumsfeld can be seen seated behind the president. Designed by Julie Beckman and Keith Kaseman, the memorial honors the 184 victims who perished when the hijacked aircraft American Airlines Flight 77 crashed into the west side of the Pentagon. The outdoor memorial identifies victims by name and age, and includes illuminated water features to represent each victim. In 2002, President Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President George W. Bush and First Lady Laura Welch Bush participate in a wreath-laying ceremony near the crash site for United Airlines Flight 93 in Somerset County, Pennsylvania, on the first anniversary of the terrorist attacks against the United States on September 11, 2001. Flight 93 was one of four airplanes hijacked by al-Qaida terrorists on September 11, 2001. Believed to be targeting the United States Capitol Building, the flight crashed into a field after passengers and crew attempted to regain control of the aircraft. Preliminary work for the Flight 93 National Memorial was completed on September 10, 2010, and the permanent memorial opened to the public on September 10, 2015. In 2002, President Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President George W. Bush delivers remarks from Emma E. Brooker Elementary School in Sarasota, Florida, following the terrorist attacks on the World Trade Center in New York city on the morning of September 11, 2001. The president was informed by his chief of staff Andy Card of the second strike on the towers while reading to children at the school. After delivering brief remarks at the school, Bush boarded Air Force One for his own protection, accompanied by roughly 65 advisors, security agents, and staff members. For the next several hours, President Bush worked from his office aboard Air Force One, where he monitored the crisis using the secure phone lines and televisions installed in the aircraft.

In this photograph, President George W. Bush participates in a reading demonstration with second grade teacher Sandra Kay Daniels at Emma E. Brooker Elementary School in Sarasota, Florida on the morning of September 11, 2001. The president participated in the reading demonstration to raise support for his "No Child Left Behind" nationwide educational initiative. During the demonstration, President Bush was informed by chief of staff Andy Card of the second strike on the World Trade Center in New York City. After delivering brief remarks at the school, Bush boarded Air Force One for his own protection, accompanied by roughly 65 advisors, security agents, and staff members. For the next several hours, President Bush worked from his office aboard Air Force One, where he monitored the crisis using the secure phone lines and televisions installed in the aircraft.

In this photograph, taken by Andrea Hanks on September 11, 2019, President Donald Trump and First Lady Melania Trump observe a moment of silence during the September 11th Observance Ceremony at the Pentagon in Arlington, Virginia. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, taken by Andrea Hanks on September 11, 2019, President Donald Trump and First Lady Melania Trump participate in a wreath-laying ceremony with Secretary of Defense Mark Esper, his wife Leah Esper, the Chairman of the Joint Chiefs of Staff Gen. Joseph Dunford and his wife Ellyn Dunford during the September 11th Observance Ceremony at the Pentagon in Arlington, Virginia. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, taken by Pete Souza on September 11, 2014, President Barack Obama listens to the national anthem with Defense Secretary Chuck Hagel and Gen. Martin Dempsey, chairman of the Joint Chiefs of Staffs, during the September 11th Observance Ceremony at the National 9/11 Pentagon Memorial in Arlington, Virginia. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President Barack Obama, First Lady Michelle Obama, former President George W. Bush, and former First Lady Laura Welch Bush listen to a speaker during the dedication ceremony for the National September 11 Memorial in New York, New York, on September 11, 2011. The dedication ceremony was held in commemoration of the tenth anniversary of the terrorist attacks against the United States on September 11, 2001. Located at the former site of the World Trade Center, the memorial features reflecting pools bearing the names of the victims of the September 11th terrorist attacks and the 1993 World Trade Center bombings. In May 2014, an adjacent museum was opened and dedicated by President Barack Obama. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President Barack Obama greets guests at the Pentagon during a ceremony commemorating the tenth anniversary of the terrorist attacks against the United States on September 11, 2001. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President Barack Obama and First Lady Michelle Obama join former President George W. Bush and former First Lady Laura Welch Bush for the dedication of the National September 11 Memorial in New York, New York, on September 11, 2011. The dedication ceremony was held in commemoration of the tenth anniversary of the terrorist attacks against the United States on September 11, 2001. Located at the former site of the World Trade Center, the memorial features reflecting pools bearing the names of the victims of the September 11th terrorist attacks and the 1993 World Trade Center bombings. In May 2014, an adjacent museum was opened and dedicated by President Barack Obama. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President Barack Obama and First Lady Michelle Obama join former President George W. Bush and former First Lady Laura Welch Bush for the dedication of the National September 11 Memorial in New York, New York, on September 11, 2011. The dedication ceremony was held in commemoration of the tenth anniversary of the terrorist attacks against the United States on September 11, 2001. Located at the former site of the World Trade Center, the memorial features reflecting pools bearing the names of the victims of the September 11th terrorist attacks and the 1993 World Trade Center bombings. In May 2014, an adjacent museum was opened and dedicated by President Barack Obama. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President Barack Obama and First Lady Michelle Obama join former President George W. Bush and former First Lady Laura Welch Bush to greet family members and local dignitaries in advance of the dedication of the National September 11 Memorial in New York, New York, on September 11, 2011. The dedication ceremony was held in commemoration of the tenth anniversary of the terrorist attacks against the United States on September 11, 2001. Located at the former site of the World Trade Center, the memorial features reflecting pools bearing the names of the victims of the September 11th terrorist attacks and the 1993 World Trade Center bombings. In May 2014, an adjacent museum was opened and dedicated by President Barack Obama. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, President Barack Obama and First Lady Michelle Obama visit the crash site for United Airlines Flight 93 following a ceremony at the Flight 93 National Memorial in Somerset County, Pennsylvania, on the tenth anniversary of the terrorist attacks against the United States on September 11, 2001. Flight 93 was one of four airplanes hijacked by al-Qaida terrorists on September 11, 2001. Believed to be targeting the United States Capitol Building, the flight crashed into a field after passengers and crew attempted to regain control of the aircraft. Preliminary work for the Flight 93 National Memorial was completed on September 10, 2010, and the permanent memorial opened to the public on September 10, 2015. In 2002, President George W. Bush designated September 11th as Patriot Day, a time that has been recognized through presidential proclamations as a national day of remembrance, prayer, and service. Presidents and first ladies typically commemorate the day through moment of silence observations on the White House South Lawn, and by attending remembrance ceremonies at sites affected by the terrorist attacks.

In this photograph, taken on July 19, 1996, President Bill Clinton and Olympic track and field gold medalist Evelyn Ashford pass an American flag to Olympic freestyle wrestler Bruce Baumgartner during a ceremony held at the Olympic Village in Atlanta, Georgia in advance of the 1996 Summer Olympic Games. Baumgartner was selected by his teammates to carry the flag for the American team during the opening ceremonies of the 1996 Summer Olympic Games; Ashford previously carried the flag during the opening ceremonies of the 1992 Summer Olympic Games in Barcelona, Spain. Later that day, President Clinton delivered opening remarks during the opening opening ceremonies of the 1996 Summer Olympics at the Centennial Olympic Stadium.

This photograph, taken on July 19, 1996, shows President Bill Clinton and members of the U.S. Olympic team paying homage to the American flag during a ceremony held at the Olympic Village in Atlanta Georgia in advance of the 1996 Summer Olympic Games. The event was attended by former Olympic champions including Kristi Yamaguchi, Rafer Johnson, Edwin Moses, Mark Spitz, and Pam Shriver. During the event, President Clinton assisted in passing the American flag to freestyle wrestler Bruce Baumgartner, pictured here at right of Clinton. Later that day, Baumgartner carried the flag in front of the American team and President Clinton delivered opening remarks at the Centennial Olympic Stadium. Clinton was the second American president to formally open an Olympic Games, following a precedent established when President Ronald Reagan opened the Los Angeles Summer Olympics in 1984.

In this photograph, taken on July 19, 1996, President Bill Clinton addresses members of the U.S. Olympic team in advance of the 1996 Summer Olympic Games in Atlanta, Georgia. The event was attended by former Olympic champions including Kristi Yamaguchi, Rafer Johnson, Edwin Moses, Mark Spitz, and Pam Shriver. Later that day, President Clinton delivered opening remarks at the Centennial Olympic Stadium. Clinton was the second American president to formally open an Olympic Games, following a precedent established when President Ronald Reagan opened the Los Angeles Summer Olympics in 1984.

In this photograph, President Ronald Reagan lifts weights at the U.S. Olympic Training Facility in Colorado Springs, Colorado, on May 29, 1984. President Reagan visited the facility, trying out the computerized strength measurement machine, ahead of the 1984 Olympics held in Los Angeles, California.

This photograph of President Gerald R. Ford was taken by Bill Fitz-Patrick on July 10, 1976. President Ford was visiting Plattsburgh, New York to speak at a farewell ceremony for the U.S. Summer Olympics team ahead of their departure for the games to be held in Montreal, Canada.

In this photograph, taken on July 28, 1984, President Ronald Reagan and First Lady Nancy Reagan pose with Romanian gymnast Nadia Comăneci and Juan Antonio Samaranch, president of the International Olympic Committee, in the press box of the Los Angeles Memorial Colosseum in Los Angeles, California. President Reagan was in attendance to provide opening remarks for the 1984 Summer Olympic Games. This was the first time a sitting American president opened an Olympic Games, establishing a tradition of presidents appearing at the Olympics when they are held in the United States. Formerly, Olympic Games in the United States would be formally opened by local political leaders or representatives of the president. As governor of New York, Franklin D. Roosevelt opened the 1932 Winter Olympic Games in Lake Placid, New York, while Vice President Richard M. Nixon attended the opening ceremonies at the 1960 Winter Olympic Games in Squaw Valley, California.

In this photograph, taken on August 13, 1984, President Ronald Reagan poses alongside gymnast Mary Lou Retton and other medalists from the 1984 United States Summer Olympic Team at the Century Plaza Hotel in Los Angeles, California. During the 1984 Los Angeles Olympics, the American team earned 174 medals, including 84 gold medals. President Reagan and First Lady Nancy Reagan attended the breakfast at the Century Plaza Hotel to congratulate the athletes on their impressive showing. Reagan also delivered opening remarks during the opening ceremonies of the 1984 Summer Olympics on July 27, 1984. Reagan was the first sitting American president to open the Olympic Games.