Ukrainian and European leaders on Tuesday marked 1,000 days since Russian President Vladimir Putin began his full-scale invasion of Ukraine. “1,000 days together. 1,000 days of Ukraine,” the country’s president, Volodymyr Zelenskyy noted in a video, recalling the key moments of the wartime struggles and pain, and the support Ukraine received.

"In 2022, Russia thought its full-scale invasion would end in days. 1,000 days later, Ukraine bravely resists. On the battlefield. And against criminal attacks on civilian targets," European Commission President Ursula von der Leyen said.

Putin has announced Russia will share nuclear deterrence with Russia's allies as Zelensky marks 1000 days of war.

Russian missile attack on Odesa kills 10 and wounds 44; Britain expected to clear Storm Shadows for strikes on Russian soil. What we know on day 1,000

Ukraine marked 1,000 days on Tuesday since Russia's full-scale invasion, with weary troops battling on numerous fronts, Kyiv besieged by frequent drone and missile strikes, and officials preparing for Donald Trump to reclaim the White House in January.

"For 1,000 days, the Armed Forces of Ukraine have been confronting the enemy on the front line, which stretches over 1,000 kilometers," Commander-in-Chief Oleksandr Syrskyi said on Nov. 19, Day 1,000 of Russia's full-scale war against Ukraine.

Moscow is expending huge amounts of weaponry and human life to make small-but-steady territorial gains to the nearly one-fifth of Ukraine it already controls