Feb.
Russia recognizes the independence of the "Donetsk People's Republic" and the "Lugansk People's Republic" and signs a mutual assistance agreement.
Russia invades Ukraine, attacking from all sides of the border.
Martial law is declared in Ukraine, and a general mobilization order bans all men between the ages of 18 and 60 from leaving the country.
Ukraine applies for EU membership.

Mar.
Georgia and Moldova apply for EU membership (March 3)
Russia occupies the major southern Ukrainian city of Herson
Russia occupies the Zaborija nuclear power plant in southern Ukraine
Russia launches missile attacks on western Ukraine
Russia blocks Ukraine's Black Sea coast
Russia occupies southern Ukraine's Herson Oblast
Russia besieges Mariupol in eastern Ukraine's Donetsk Oblast
Russia captures Izyum, Kharkiv Oblast, Eastern Ukraine
Russia Concentrates Forces in Eastern Ukraine's Donbass Region
Russia halts ground invasion of Ukrainian capital Khiu

Apr.
Massacre of civilians uncovered in Bucha, northwest of Kieu
Russia retreats from Kieu and its northern Chernihiu

May.
Russia occupies Mariupol.
Finland and Sweden apply for NATO membership.

Jun.
Ukraine "10,000 Ukrainian Military Casualties"
Russia decides to provide Belarus with missiles capable of carrying nuclear weapons.
Russia occupies Severodonetsk, Lugansk Oblast, eastern Ukraine
Russia withdraws from the Black Sea island of Zmiyny
Ukraine and Moldova become candidate countries for EU membership.
NATO (North Atlantic Treaty Organization) classifies Russia as an "enemy state.

July.
Russia occupies Lugansk Oblast.
UN, Turkey, Russia, and Ukraine agree to export Ukrainian grain through the Black Sea (July 22)

Russia attacks the port of Odesa in southern Ukraine (July 23)

Sept.
Ukraine Reclaims Izyum
Referendum "in favor" of annexation to Russia in four Russian-occupied southeastern Ukrainian provinces
Russia declares annexation of four southeastern Ukrainian provinces.

OCT.
Ukraine Recaptures Liman, Donetsk Oblast
Ukraine recaptures part of the Cherson Oblast.
The Crimean Bridge is damaged by a cargo truck explosion.
Belarus and​ ​Russia announce formation of joint forces
Ukraine "30% of power plants in the country destroyed"
Activities of private military company "Wagner" disclosed in Russian press
Russia Completes Mobilization of 300,000 Reserve Military Personnel

Nov.
Russia withdraws from Herson.
 

Jan.
Russia occupies Soredal, Donetsk Oblast.
Baltic States and six European countries announce "Tallinn Pledge" to support Ukraine.
Ukraine to train German tanks in Poland.
Allegations of corruption in Ukraine regarding food procurement for soldiers; high-ranking official resigns.

Feb.
Russia suspends implementation of the New Strategic Arms Reduction Treaty, a nuclear disarmament agreement with the U.S.

Mar.
ICC (International Criminal Court) Arrest Warrant for President Putin for War Crimes for Removal of Ukrainian Children

Apr.
Finland joins NATO.

May.
Russian Private Military Company "Wagner" Captures Bakhmut, Donetsk Oblast
Russian Volunteer Soldiers Aligned with Ukraine Fight in Belgorod Oblast, Western Russia
Unmanned drone strikes the Russian capital, Moscow.

June.
Ukraine Launches Major Reversal Offensive
Dam at the Kakhovka hydroelectric power plant in southern Ukraine is breached by an explosion
Wagner rebels against Russia

July.
Eleven countries, mostly European, form coalition of nations to train fighter jets to Ukraine
Russia withdraws from an agreement to export grain from Ukraine.
Ukraine recaptures Staromaiorske, Donetsk Oblast.
Ukraine attacks bridge connecting mainland Ukraine and Crimean Peninsula
Russia missile strikes Odessa in southern Ukraine, damaging World Heritage Site "Historic District".

Aug.
Wagner Founder Prigogine Dies in Plane Crash
Ukraine recaptures Urozyne, Donetsk Oblast
Ukraine recaptures Lobotine, Zaporizhia Oblast, Southern Ukraine

Sept.
Ukraine Reclaims Andriuka in Southern Bakhmut
Ukraine recaptures Chrysiuka in Southern Bakhmut

Oct.
Demonstration Calls for Demobilization of Soldiers in Ukraine's Capital, Khiu, and Other Cities
Russian private military company recruits female soldiers to go to the front lines in Ukraine

Nov.
UN "More than 10,000 Ukrainian civilians killed."

Dec.
Hungary Vetoes EU Military Aid to Ukraine

Jan.
Russia Allows Foreign Contract Military Personnel and Families to Obtain Nationality
Russia occupies Vesere, Donetsk Oblast
Russia occupies Tabayevka, Kharkiv Oblast
Russia and​ ​Ukraine exchange 500 prisoners of war.
Baltic States to Build Defense Facilities along Borders with Russia and Belarus
Russian warplane with Ukrainian POWs on board crashes
Hardliners in Russia who support invasion of Ukraine imprisoned for criticizing Putin's regime
Ukrainian officials embezzle money over ammunition procurement

Feb.
Ukraine Continues Martial Law, Presidential Election Postponed
Former lawmaker in Russia who criticized the invasion of Ukraine is not allowed to run for president.
Russian Law to Confiscate Assets if Military Spreads "Lies"
Russian dissident Nawaryny dies in prison
Ukraine and​ ​France Sign Security Agreement
Russia occupies Audy Iuka, Donetsk Oblast
​Iran provides ballistic missiles to Russia" (Jan. 22)
UN: "More than 6.4 million people displaced from Ukraine".
UN: "More than 10,000 Ukrainian civilians killed."
Sweden joins NATO.

Mar.
Russia's Presidential Decree to Allow Reservists to Participate in Drills
Russia conducts YARUS launch exercise, an ICBM capable of carrying a nuclear warhead.
NATO conducts its largest military exercise in Poland since the end of the Cold War
ICC (International Criminal Court) Arrest Warrants for Two Russian Military Officials on Suspicion of War Crimes
Russia bans advertisements by "foreign proxies" (individuals and organizations not in line with the regime's wishes)
Russian Volunteer Soldiers Aligned with Ukraine Cross Border Attacks into Mainland Russia
President Putin "will use nuclear weapons if sovereignty and independence are undermined"
President Vladimir Putin wins Russian presidential election
Ten years have passed since Russia's annexation of Crimea in southern Ukraine (18th)
President Putin: "We will create a buffer zone in Ukraine.

Apr.
Ukraine lowers draft age from 27 to 25
Ukraine uses drones to attack central Russia, over 1,000 km from the border.
Japan and other countries support Ukraine with demining equipment.
Drone Strikes Zaporizha Nuclear Power Plant in Russian Occupied Territory
Russia Attacks Largest Thermal Power Plant in Khiu Oblast, Ukraine's Capital
Ukraine requires men between the ages of 18 and 60 to register their personal information for stricter mobilization
U.S. provides Ukraine with long-range missiles
Russia and​ ​Ukraine return a total of 48 children to each
Ukraine suspends passport issuance at Ukrainian embassies and consulates abroad to prevent mobilization evasion

May.
Inauguration of President Vladimir Putin for a total of five terms
Ukraine partially withdraws from Kharkiv Oblast
Ukraine's law allowing some prisoners to join the military
President Zelensky's term expires and his government continues under martial law
Russia conducts military exercises with tactical nuclear weapons units
U.S. authorizes Ukraine to attack Russian mainland with provided weapons

June.
​Ukraine attacks Russian soil with fighter jets for the first time," UK press release (June 9)
Russia conducts military exercises simulating the use of tactical nuclear weapons.
Bilateral agreement between Ukraine and​ ​the U.S. to support Ukraine's security for the next 10 years
Ukraine unveils new unit specializing in drones
Bilateral cooperation document between Ukraine and​ ​Japan on provision of defense equipment and support for rehabilitation and reconstruction
President Vladimir Putin: "Ukraine's decision to abandon NATO membership; withdrawal of troops from four southeastern provinces is a condition for negotiations."
Russia and​ ​North Korea sign new treaty on military cooperation.
Ukraine, Moldova, and​ ​EU begin accession negotiations
Ukraine Peace Summit opens in Switzerland (15th)
Ukraine and​ ​EU sign agreement on continued military assistance.

Jul.
Russian missile attack damages children's hospital in Khiwo (9 July)
NATO endorses Ukraine's future membership at summit
Russia conducts military exercises simulating the use of tactical nuclear weapons.

Aug.
Russia doubles lump-sum payments for contract military personnel
Ukraine unveils U.S. F-16 fighter jet (4th)
Ukraine launches cross-border attack on Russia's western Kurds (6th)

Sept.
​Ukraine to Attack Crimea with New Missile Drones," Ukrainian Press
Russia holds Eastern Economic Forum to strengthen ties with countries not participating in sanctions.
U.S. and U.K. sanction Iran for providing ballistic missiles to Russia.
Ukraine Drone Strikes Russian Capital Near Moscow, First Casualties
Russia increases military capacity by 180,000 to 1.5 million

OCT.
Russia captures Ugredal, a key town in Donetsk Oblast
Russian law exempting criminal defendants from liability if they join the military
President Zelensky announces "Victory Plan" with five items, including initiation of NATO membership procedures.
UN Population Fund "Ukraine's population has decreased by about 8 million since the start of the invasion" estimate
U.S. "North Korea sends soldiers to Russia"

November
Ukraine "11,000 North Korean soldiers in Kursk Oblast, fighting with Ukrainian troops" (7 days)
America lifts ban on military companies' activities in Ukraine.
Russia attacked energy facilities across Ukraine (17th).
America approved an attack on the Russian mainland by long-range missiles provided to Ukraine by the Ukrainian government (17th).
1000 days of Russian invasion of Ukraine (19th)
Ukraine attacked the Russian mainland with a long-range U.S. missile (19th).
Russia revised the nuclear doctrine and relaxed the conditions for its use (19th).
Russia attacked with a new intermediate-range ballistic missile, the Oreshnik.
Russian Currency Ruble Lowest Since Immediately After Military Invasion of Ukraine
Five Scandinavian countries interpoint (interword separation) Baltic countries held the Nordic-Baltic Summit, "Russia is the most serious and direct threat".

Dec.
UN Security Council Condemns North Korea's Deployment to Russia and Military Cooperation at Emergency Meeting
Britain "halves Ukraine's occupied territory in western Russia."

Jan.
​Ukraine Loses More Than 3, ^600km2 of Territory in One Year" Ukrainian Press
Japan decides to impose additional sanctions on Russia.
EU loans to Ukraine from frozen Russian assets.
Ukraine and the​ ​United Kingdom sign an agreement promising military cooperation, etc.
UN: "12,456 Ukrainian civilians killed, up 30% in casualties from last year"
Inauguration of President Trump in the U.S.

February
President Trump and President Putin. agreed to begin ceasefire negotiations (12th).
President Zelensky. Resignation if Ukraine is to be pacified" (23rd)
United Nations General Assembly The resolution "condemns Russia and supports Ukraine's territorial integrity" proposed by Europe in the America and ... and Russia is against (24th)
UN Security Council Resolution proposed by the U.S. "calling for an end to the conflict" without condemnation of Russia at the Europe, etc. abstained (24th).
President Trump and President Zelensky. The two sides met, argued, and broke down (28th).