Key moments in a year of war after Russia invaded Ukraine The war in Ukraine that began a year ago has killed thousands, forced millions to flee their homes, reduced entire cities to rubble and has fueled fears the confrontation could slide into an open conflict between Russia and NATO. A look at some of the main events in the conflict. 2022 FEBRUARY On Feb. 24, Russian President Vladimir Putin launches an invasion of Ukraine from the north, east and south. He says the “special military operation” is aimed at “demilitarization” and “denazification” of the country to protect ethnic Russians,...