Toy trucks are placed on the Centennial Flame as demonstrators gather on Parliament Hill, one year after a "Freedom Convoy" of trucks blocked streets in protest against coronavirus disease (COVID-19) vaccine mandates, in Ottawa, Ontario, Canada January 28, 2023. REUTERS/Blair Gable 

A view of a memorial at Centennial Park almost one month after Hurricane Ian landfall in Fort Myers, Florida, U.S., October 26, 2022. REUTERS/Marco Bello 

People visit a memorial at Centennial Park almost one month after Hurricane Ian landfall in Fort Myers, Florida, U.S., October 26, 2022. REUTERS/Marco Bello 

A woman stands in front of a memorial at Centennial Park almost one month after Hurricane Ian landfall in Fort Myers, Florida, U.S., October 26, 2022. REUTERS/Marco Bello 

A view of a memorial at Centennial Park almost one month after Hurricane Ian landfall in Fort Myers, Florida, U.S., October 26, 2022. REUTERS/Marco Bello TPX IMAGES OF THE DAY 

Argentine President Alberto Fernandez looks at Vice-President Cristina Fernandez de Kirchner during Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner attend Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner walk during Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner walk during Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner walk during Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez looks at Vice-President Cristina Fernandez de Kirchner during Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez attends Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner attend Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine Vice-President Cristina Fernandez de Kirchner attends Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine Vice-President Cristina Fernandez de Kirchner attends Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner attend Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Pablo Gonzalez, President of Argentine state energy company YPF attends its centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner attend Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine Vice-President Cristina Fernandez de Kirchner attends Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner attend Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

A police officer checks a fuel dispenser ahead of the arrival of Argentine President Alberto Fernandez and Vice-President Cristina Fernandez de Kirchner, and Argentina's state energy company YPF centennial celebrations, at the Tecnopolis Park, in Buenos Aires, Argentina June 3, 2022. REUTERS/Agustin Marcarian 

U.S. President Joe Biden, with Major Gen. Allan Pepin, Commanding General of Joint Task Force National Capital Region and Military District of Washington, and Veterans Affairs Secretary Denis McDonough, pause after placing a wreath on a tomb during a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day, in Arlington, Virginia, U.S., November 11, 2021. Doug Mills/Pool via REUTERS 

U.S. President Joe Biden, with Major Gen. Allan Pepin, Commanding General of Joint Task Force National Capital Region and Military District of Washington, and Veterans Affairs Secretary Denis McDonough, pause after placing a wreath on a tomb during a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day, in Arlington, Virginia, U.S., November 11, 2021. Alex Brandon/Pool via REUTERS TPX IMAGES OF THE DAY 

U.S. President Joe Biden speaks at the Memorial Amphitheater, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden speaks at the Memorial Amphitheater, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden speaks at the Memorial Amphitheater, in Arlington National Cemetery, on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden speaks at the Memorial Amphitheater, in Arlington National Cemetery, on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

A wreath placed by U.S. President Joe Biden rests in front of the Tomb of the Unknown Soldier after a centennial ceremony, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden speaks at the Memorial Amphitheater, in Arlington National Cemetery, on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden speaks in the the Memorial Amphitheater, in Arlington National Cemetery, on Veterans Day, Thursday in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden places a wreath during a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden pauses after placing a wreath during a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden salutes after placing a wreath during a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

U.S. President Joe Biden salutes after placing a wreath during a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

Participants attend a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden attends a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

A formation of U.S. Navy F/A-18 Hornets fly over during a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS 

A joint service flyover honoring the centennial anniversary of the Tomb of the Unknown Soldier takes place at Arlington National Cemetery on Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Kenny Holston /Pool via REUTERS 

Arlington Cemetery is seen ahead of a full honors procession honoring the centennial anniversary of the Tomb of the Unknown Soldier in Arlington, Virginia, U.S., November 11, 2021. Sarah Silbiger/Pool via REUTERS 

A U.S. Army Soldier looks out across Arlington National Cemetery prior to the start of a full honors procession honoring the centennial anniversary of the Tomb of the Unknown Soldier Veterans Day in Arlington, Virginia, U.S. November 11, 2021. Kenny Holston /Pool via REUTERS 

U.S. President Joe Biden is accompanied by Secretary of Veterans Affairs Denis McDonough and Alan D. Paley, National Commander at Jewish War Veterans of the United States of America, during a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden attends a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden is accompanied by Secretary of Veterans Affairs Denis McDonough and Alan D. Paley, National Commander at Jewish War Veterans of the United States of America, during a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden is accompanied by Secretary of Veterans Affairs Denis McDonough and Alan D. Paley, National Commander at Jewish War Veterans of the United States of America, during a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden arrives to a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden is accompanied by Secretary of Veterans Affairs Denis McDonough and Major General Allan M. Pepin during a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden attends a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden is accompanied by Secretary of Veterans Affairs Denis McDonough and Major General Allan M. Pepin during a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden is accompanied by Secretary of Veterans Affairs Denis McDonough and Major General Allan M. Pepin during a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden attends a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden attends a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden attends a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. President Joe Biden attends a wreath laying ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. first lady Jill Biden arrives to a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

U.S. first lady Jill Biden arrives to a ceremony to mark Veterans Day and the centennial anniversary of the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., November 11, 2021. REUTERS/Leah Millis 

A full honors procession honoring the centennial anniversary of the Tomb of the Unknown Soldier takes place at Arlington National Cemetery on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Kenny Holston/Pool via REUTERS 

A full honors procession honoring the centennial anniversary of the Tomb of the Unknown Soldier takes place at Arlington National Cemetery on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Kenny Holston/Pool via REUTERS 

A full honors procession honoring the centennial anniversary of the Tomb of the Unknown Soldier takes place at Arlington National Cemetery on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Kenny Holston/Pool via REUTERS 

A joint service flyover honoring the centennial anniversary of the Tomb of the Unknown Soldier takes place at Arlington National Cemetery on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Kenny Holston/Pool via REUTERS 

Tomb guards of the 3rd U.S. Infantry Regiment, known as "The Old Guard," salute before a centennial ceremony for the Tomb of the Unknown Soldier, in Arlington National Cemetery, on Veterans Day, in Arlington, Virginia, U.S. November 11, 2021. Alex Brandon/Pool via REUTERS