Timeline of the Russo-Ukrainian war (2022–present)

On 24 February 2022, Russia launched a military invasion of Ukraine in a steep escalation of the Russo-Ukrainian War. The campaign had been preceded by a Russian military buildup since early 2021 and numerous Russian demands for security measures and legal prohibitions against Ukraine joining NATO. == Prelude == On 10 November 2021, the United States reported an unusual movement of Russian troops near Ukraine's borders.

Source: Wikipedia — Timeline of the Russo-Ukrainian war (2022–present) (CC BY-SA 4.0)