Cubans gather at Havanas Malecon waterfront to watch the fireworks on the eve of the city's 500th anniversary on November 15, 2019, in Havana, Cuba. The fireworks were launched from the opposite side of the Havana bay, at the El Morro fortress and lighthouse complex. (Photo by Sven Creutzmann/Mambo photo/Getty Images)

Orthodox believers participate in a procession in St. Petersburg, Russia, 12 September 2022. The procession marks the 298th anniversary of the transfer of the relics of St. Alexander Nevsky, who is considered to be a heavenly protector of St. Petersburg. (Photo by Anatoly Maltsev/EPA/EFE)

People take pictures near a Soviet flag flying on an embankment in Saint Petersburg, Russia on June 17, 2023. The flags of Russia, the USSR, and the Russian Empire were installed on the shore to mark the anniversaries of each flag's adoption. (Photo by Anton Vaganov/Reuters)

Iranian school girls show their hands with pro-government slogans and an anti-Israeli slogan which reads in Farsi: “Death to Israel”, during a rally in front of the former U.S. Embassy in Tehran, Iran, marking 44th anniversary of the seizure of the embassy by militant Iranian students, Saturday, November 4, 2023. (Photo by Vahid Salemi/AP Photo)

Visitors look on as a man (front) inserts two live snakes through his nose and mouth during a performance at an amusement park to celebrate the 65th anniversary of the founding of the People's Republic of China and the 7-day national day holiday, in Jinhua, Zhejiang province October 1, 2014. (Photo by Reuters/Stringer)

A woman views the painting “Alegory of Love” by Marc Dennis at the “Hello! Exploring the Supercute World of Hello Kitty” museum exhibit in honor of Hello Kitty's 40th anniversary, at the Japanese American National Museum in Los Angeles, California October 10, 2014. (Photo by Lucy Nicholson/Reuters)

Boys dressed in historical uniforms stand before a military parade in Red Square in Moscow November 7, 2014. The parade marked the anniversary of the 1941 parade when Soviet soldiers marched through the Red Square towards the front lines of World War Two. (Photo by Maxim Shemetov/Reuters)

History enthusiasts dressed as soldiers fight during the re-enactment of Napoleon's famous battle of Austerlitz near the southern Moravian town of Slavkov u Brna November 29, 2014. Hundreds of history enthusiasts took part in the re-enactment of the battle to mark its 209th anniversary. (Photo by David W. Cerny/Reuters)