MOSCOW (AP) — Russia on Friday celebrated the 80th anniversary of the defeat of Nazi Germany in World War II, as President Vladimir Putin presided over a massive parade of tanks, missiles and troops through Red Square and welcomed over two dozen world leaders — the most since Moscow sent troops into Ukraine.

Victory Day, which Russia marks on May 9, is the country’s most important secular holiday. The parade and other festivities underline Moscow’s efforts to project its global power and cement the alliances it has forged while seeking a counterbalance to the West amid the conflict in Ukraine that is grinding through a fourth year.

Friday’s parade was the largest since Russia sent troops into Ukraine in 2022 and drew the most global leaders to Moscow in a decade, including high-profile guests like Chinese President Xi Jinping, who sat next to Putin, and Brazilian President Luiz Inácio Lula da Silva. Their attendance underscored how Putin has tried to emphasize the failure of the West to turn Russia into a global pariah.

“It’s again showing that Russia is not isolated, that Russia is seen as a very legitimate victorious nation that is among victors in World War II,” said Alexander Gabuev, director of Carnegie Russia Eurasia Center.

“Russia is standing tall among the so-called global majority,” Gabuev said, adding that the attendance of Slovakia’s Prime Minister Robert Fico showed that “Russia has allies even within the Western camp” and marked a major public relations victory for Putin.

World War II is a rare event in the nation’s divisive history under Communist rule that is revered by all political groups, and the Kremlin has used that sentiment to encourage national pride and underline Russia’s position as a global power.

The Soviet Union lost 27 million people in what it calls the Great Patriotic War in 1941-45, an enormous sacrifice that left a deep scar in the national psyche.

Addressing the crowd in Red Square, Putin praised Russian troops fighting in Ukraine, saying that “we are proud of their courage and determination, their spiritual force that always has brought us victory.”

Putin, who has ruled Russia for 25 years, has turned Victory Day into a key pillar of his tenure and has tried to use it to justify his action in Ukraine.

For Putin, Victory Day celebrations have become “a civic religion that boosts patriotism, nationalism, nostalgia, and justifies both his repressive regime at home and Russia’s increasingly expansionist foreign policy abroad, particularly including towards its neighbors,” Gabuev said.

The parade featured over 11,500 troops and more than 180 military vehicles, including tanks, armored infantry vehicles and artillery used on the battlefield in Ukraine. As a reminder of Russia’s nuclear might, huge Yars nuclear-tipped intercontinental ballistic missiles launchers rolled across Red Square. Also among the weaponry on display were drones carried on military trucks, a tribute to their pivotal role in the conflict.

Fighter jets of Russian air force’s aerobatic teams flew by in close formation, followed by jets that trailed smoke in the colors of the national flag.

Afterward, Putin shook hands with Russian generals who led the troops onto Red Square and spoke to medal-bedecked senior North Korean officers who watched the parade, hugging one of them.

Last month, Putin thanked North Korea for fighting alongside Russian troops against Ukrainian forces and hailed their sacrifices as Pyongyang confirmed its deployment for the first time.

The Russian and North Korean statements emphasized their expanding military partnership, especially after Russia said its troops have fully reclaimed the Kursk region that Ukrainian forces seized in a surprise incursion last year. Ukraine denied the claim.

After the parade, Putin hosted foreign leaders at a Kremlin reception and sat down with Lula for a bilateral meeting. More sessions were planned, officials said.

Putin and U.S. President Donald Trump exchanged “warm words” and “congratulations on the occasion of our common holiday” through their aides, the Russian leader’s foreign policy adviser Yuri Ushakov told state Channel One TV.

Victory Day festivities this year were overshadowed by Ukrainian drone attacks targeting Moscow and severe disruptions at the capital’s airports. Aeroflot on Wednesday canceled more than 100 flights to and from Moscow, and delayed over 140 others as the military repelled Ukrainian drone attacks on the capital.

Russian authorities tightened security ahead of the parade and cellphone internet outages were reported amid electronic countermeasures aimed at foiling more potential drone attacks.

Military parades and other festivities were also held in scores of other cities across Russia amid tight security. As a historic tribute, Putin’s hometown of St. Petersburg symbolically regained its Soviet-era name of Leningrad for a day Friday and Volgograd temporarily reverted to Stalingrad, as it was known during World War II.

Putin had declared a unilateral 72-hour ceasefire starting May 7 to coincide with the Victory Day celebrations, but warned that Russian troops would retaliate to any attacks. Moscow has been reluctant to accept a U.S.-proposed 30-day truce that Ukraine has accepted, linking it to a halt in Western arms supplies to Ukraine and Kyiv’s mobilization effort, conditions Ukraine and its Western allies have rejected.

Ukrainian authorities reported scores of Russian strikes Friday that killed at least two people in the Kherson and Zaporizhzhia regions and damaged buildings. A Russian drone also struck a civilian vehicle in Zaporizhzhia, critically injuring a man and also wounding his wife.

As the parade and other festivities unfolded in Moscow, dozens of European officials met in Lviv, in western Ukraine, to endorse the creation of a special tribunal to prosecute Russian officials accused of war crimes.

“Russia needs to feel our common and, most importantly, growing strength,” Ukrainian President Volodymyr Zelenskyy said, addressing the Lviv meeting. He emphasized the need for Russia to be held accountable, adding that “this is the moral duty of Europe and of everyone in the world who values human life.”

“I’m sure that this tribunal will allow for the fight against impunity against all war crimes that have been committed during this war of aggression of Russia against Ukraine,” said French Foreign Minister Jean-Noël Barrot.

Russian authorities have fiercely denied allegations of war crimes. Asked about the tribunal on Friday, Kremlin spokesman Dmitry Peskov said Moscow “will not be reacting to this.”

Barrot also said European allies have agreed on another package of sanctions against Russia.

Standing alongside top Ukrainian government officials in Lviv, EU foreign policy chief Kaja Kallas said the tribunal’s launch will mean that “nobody can be left unpunished for the crimes committed.”

Most of Europe marks the defeat of Nazi Germany in World War II on May 8.