In Russian, from left, English, French and German, the Brandenburg Gate is illuminated with the word "Thank you," during the coronavirus pandemic May 8, 2020, in Berlin, Germany. (CHRISTOPHE GATEAU / DPA VIA AP)

Russian Sukhoi Su-24 bombers fly over the Kremlin and Red Square in downtown Moscow to mark the 75th anniversary of the victory over Nazi Germany in World War Two, May 9, 2020. (YURI KADOBNOV / AFP)

Margaret Kell takes part in one of many socially distanced street parties around Belfast's Shankill Road, Northern Ireland to mark the 75th anniversary of VE Day, May 8, 2020. (NIALL CARSON / PA VIA AP)

People look at the monument to air force pilots in flowers in Kyiv, Ukraine, May 8, 2020 on the 75th anniversary of the end of World War II in Europe. (EFREM LUKATSKY / AP)

Peole with a Soviet flag visit the the Soviet War memorial at the district Treptow to mark the 75th anniversary of Victory Day and the end of WWII in Europe in Berlin, Germany, May 8, 2020. (MARKUS SCHREIBER / AP)

Belgium's King Philippe, center right, and Belgium's Queen Mathilde, center left, participate in a ceremony to commemorate the 75th anniversary of the end of World War II at the Tomb of the Unknown Soldier in Brussels, May 8, 2020. (OLIVIER MATTHYS / AP)

A woman lays flowers during the memorial ceremony marking the 75nd anniversary of the end of World War II at the Paneriai memorial, Vilnius, Lithuania, May 8, 2020. (MINDAUGAS KULBIS / AP)

Veterans wait for officials before a ceremony at a monument to mark VE Day in Caluire, near Lyon, central France, May 8, 2020. (LAURENT CIPRIANI / AP)