Ukraine war timeline: key events in conflict 100 days on from Russia’s invasion - how long could it last?

100 days on from Putin’s invasion of Ukraine, we look back at the key events which have shaped the conflict so far
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On 24 February 2022, Vladimir Putin ordered a full-scale Russian invasion of Ukraine, with air strikes hitting the country.

It came almost eight years to the day after Russia previously annexed Crimea in February 2014, which had led to fighting in the Donbas region, with Ukrainian forces and Russian-backed separatists frequently facing off.

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Putin’s new act of aggression in 2022 had been predicted for several months after diplomacy had failed at every stage, but the Russian president’s determination to overthrow a sovereign state still took the western world by surprise.

100 days of the war in Ukraine100 days of the war in Ukraine
100 days of the war in Ukraine

However, the Kremlin hadn’t counted on two crucial factors: the strength and organisation of the Ukrainian resistance, led by their talismanic President Volodymyr Zelensky, and a largely united Nato ready to arm Ukrainian forces to the teeth.

While the war in Ukraine has begun to slip down the news agenda here in the UK, it continues to rage in the east of the nation, where Russian forces have concentrated their efforts after abandoning their earlier attempt to seize Kyiv.

Here is a timeline of the key events in the protracted conflict so far - and a look at how long it could last.

Russian President Vladimir Putin speaks during his address to the nation at the Kremlin in Moscow on February 21, 2022. (Photo by Alexey NIKOLSKY / Sputnik / AFP) (Photo by ALEXEY NIKOLSKY/Sputnik/AFP via Getty Images)Russian President Vladimir Putin speaks during his address to the nation at the Kremlin in Moscow on February 21, 2022. (Photo by Alexey NIKOLSKY / Sputnik / AFP) (Photo by ALEXEY NIKOLSKY/Sputnik/AFP via Getty Images)
Russian President Vladimir Putin speaks during his address to the nation at the Kremlin in Moscow on February 21, 2022. (Photo by Alexey NIKOLSKY / Sputnik / AFP) (Photo by ALEXEY NIKOLSKY/Sputnik/AFP via Getty Images)
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24 February: In a pre-dawn TV statement, Vladimir Putin announces an invasion of Ukraine and demands that its military lay down their arms. Moments after the televised speech, attacks are reported on Ukrainian military targets with explosions heard in the capital Kyiv.

Putin calls it “a special military operation” and, in a warning to the West, says that anyone who tried to repel the invasion would face “such consequences that you have never faced in your history”.

25 February: In a message of defiance, Ukraine’s President Volodymyr Zelensky gives a video address confirming that he intends to remain in the capital: “I stay in the capital, I stay with my people. During the day, I held dozens of international talks, directly managed our country. And I will stay in the capital. My family is also in Ukraine. My children are also in Ukraine. My family is not traitors. They are the citizens of Ukraine. But I have no right to say where they are now.”

(Graphic: Mark Hall)(Graphic: Mark Hall)
(Graphic: Mark Hall)

26 February: Vitali Klitschko, mayor of Kyiv and former heavyweight boxing champion, says he will take up arms to fight in a “bloody war” against Russia. His brother Wladimir – another former heavyweight boxing champion – has already enlisted in Ukraine’s reserve army.

Kyiv's mayor Vitali Klitschko, seen telling people to move away from a block of flats that partially collapsed after a shelling in Kyiv, has been given the Freedom of the City by Edinburgh Council (Picture: Sergei Supinsky/AFP via Getty Images)Kyiv's mayor Vitali Klitschko, seen telling people to move away from a block of flats that partially collapsed after a shelling in Kyiv, has been given the Freedom of the City by Edinburgh Council (Picture: Sergei Supinsky/AFP via Getty Images)
Kyiv's mayor Vitali Klitschko, seen telling people to move away from a block of flats that partially collapsed after a shelling in Kyiv, has been given the Freedom of the City by Edinburgh Council (Picture: Sergei Supinsky/AFP via Getty Images)
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28 February: Russia and Ukraine hold their first ceasefire talk at the Belarusian border. This ended without an agreement after five hours.

1 March: There are reports of a 40-mile convoy of Russian army on the outskirts of Kyiv, prompting fears of a large-scale bombardment. Attacks continue on cities of Kharkiv and Mariupol, with Russia accused of using devastating vaccum bombs.

2 March: Nearly a week into the war, Russian forces manage to surround the city of Mariupol in the south. Russian troops also entered Kharkiv following days of intensive bombardment.

7 March: Attempts to set up humanitarian corridors to evacuate civilians fail as a temporary ceasefire ends.

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9 March: A children’s hospital and maternity ward is hit by a Russian air strike. At least three people were killed - including a child - in the attack, Ukrainian officials said.

14 March: Russian journalist Marina Ovsyannikova protests the war in Ukraine on live Russian state TV. She is later fined and released.

This video grab taken on March 15, 2022 shows Russian Channel One editor Marina Ovsyannikova holds a poster reading " Stop the war. Don't believe the propaganda. Here they are lying to you"  during on-air TV studio by news anchor Yekaterina Andreyeva , Russia's most-watched evening news broadcast, in Moscow on March 14, 2022 .Photo: AFP PHOTO / Channel One.This video grab taken on March 15, 2022 shows Russian Channel One editor Marina Ovsyannikova holds a poster reading " Stop the war. Don't believe the propaganda. Here they are lying to you"  during on-air TV studio by news anchor Yekaterina Andreyeva , Russia's most-watched evening news broadcast, in Moscow on March 14, 2022 .Photo: AFP PHOTO / Channel One.
This video grab taken on March 15, 2022 shows Russian Channel One editor Marina Ovsyannikova holds a poster reading " Stop the war. Don't believe the propaganda. Here they are lying to you" during on-air TV studio by news anchor Yekaterina Andreyeva , Russia's most-watched evening news broadcast, in Moscow on March 14, 2022 .Photo: AFP PHOTO / Channel One.

15 March: Unicef announces that refugee numbers are over three million due to the war, with many others being displaced internally.

16 March: A Russian airstrike hits Mariupol’s main theatre, where hundreds of civilians were taking refuge.

A Russian solder clears patrols a bombed out theatre in the southern Ukrainian city of Mariupol (image: AFP/Getty Images)A Russian solder clears patrols a bombed out theatre in the southern Ukrainian city of Mariupol (image: AFP/Getty Images)
A Russian solder clears patrols a bombed out theatre in the southern Ukrainian city of Mariupol (image: AFP/Getty Images)
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18 March: The UK’s Homes for Ukraine refugee scheme officially opens. More than 120,000 Brits have already registered their interest to house refugees fleeing Ukraine as Russia continues its invasion.

19 March: Putin holds a carefully stage-managed rally at Moscow’s Luzhniki stadium. He claims he is trying to “save people from suffering and genocide”.

Vladimir Putin addressed a crowd of flag-waving supporters at the Luzhniki stadium in Moscow (Picture: Sergei Guneyev/pool/AFP via Getty Images)Vladimir Putin addressed a crowd of flag-waving supporters at the Luzhniki stadium in Moscow (Picture: Sergei Guneyev/pool/AFP via Getty Images)
Vladimir Putin addressed a crowd of flag-waving supporters at the Luzhniki stadium in Moscow (Picture: Sergei Guneyev/pool/AFP via Getty Images)

24 March: The UK Government announces that the Wagner Group has been added to its Russia sanctions scheme, following reports that they were targeting Ukraine’s president. At the start of the invasion hundreds of mercenaries belonging to the secretive organisation, which is seen as Vladimir Putin’s private army, were reportedly in Kyiv, with orders to track down and assassinate Ukraine’s President Volodymyr Zelensky and prepare the ground for Russia to take control.

22 March: Signs that the Russian invasion is stalling, as Ukraine reports that Russian forces have only three days’ worth of supplies left, and evidence shows that the 40-mile column has ground to a halt.

A bombed kindergarten building in UkraineA bombed kindergarten building in Ukraine
A bombed kindergarten building in Ukraine
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29 March: Russia announces that it will “radically reduce military activity” near Kyiv and Chernihiv, as it begins its retreat from the north of Ukraine.

1 April: After Russian troops begin withdrawing from Bucha, near Kyiv, images emerge of a bloody civilian massacre left behind, with bodies lying in the streets. In the days that follow, President Zelensky sees the devastation for himself, and accuses Russia of ‘genocide’ and ‘war crimes’.

9 April: UK Prime Minister Boris Johnson makes a surprise visit to Ukraine to meet with President Zelensky. Following the meeting Downing Street announces that Britain is to send 120 armoured vehicles and new anti-ship missile systems to support Ukraine.

The flagship of Russia’s Black Sea fleet has sunk after it was heavily damaged in the latest setback for Moscow’s invasion.The flagship of Russia’s Black Sea fleet has sunk after it was heavily damaged in the latest setback for Moscow’s invasion.
The flagship of Russia’s Black Sea fleet has sunk after it was heavily damaged in the latest setback for Moscow’s invasion.

14 April: Ukrainian forces sink the Moskva, Russia’s flagship warship in the Black Sea. Fighting intensifies in Mariupol.

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20 April: Russia announces the first test launch of its new nuclear-capable ‘Satan II’ Sarmat intercontinental ballistic missile system, with Putin claiming it is impossible to defend against.

21 April: After an extended siege, Putin says that the Mariupol steel plant should be sealed off, so that “even a fly cannot get out”.

A view shows the city of Mariupol and the Azovstal steel plant on May 10, 2022, amid the ongoing Russian military action in Ukraine. (Photo by STRINGER / AFP) (Photo by STRINGER/AFP via Getty Images)A view shows the city of Mariupol and the Azovstal steel plant on May 10, 2022, amid the ongoing Russian military action in Ukraine. (Photo by STRINGER / AFP) (Photo by STRINGER/AFP via Getty Images)
A view shows the city of Mariupol and the Azovstal steel plant on May 10, 2022, amid the ongoing Russian military action in Ukraine. (Photo by STRINGER / AFP) (Photo by STRINGER/AFP via Getty Images)

27 April: Russia would launch a nuclear war on the West rather than accept defeat in Ukraine, some of the nation’s most prominent propagandists say on state TV. One of the panel even suggests it would not be so bad, because “we will go to heaven, and they will simply croak”.

9 May: On Russia’s traditional Victory Day, Putin lets the occasion pass without any announcement of an escalation, or a declaration of all-out war against Ukraine, despite widespread rumours.

Russian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow on May 9, 2022. Picture; Mikhail Metzel, GettyRussian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow on May 9, 2022. Picture; Mikhail Metzel, Getty
Russian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow on May 9, 2022. Picture; Mikhail Metzel, Getty
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13 May: There are reports that Russian forces have been forced back from Kharkiv, and signs that Putin’s Donbas offensive is weakening.

14 May: Ukraine’s Kalush Orchestra win the Eurovision Song Contest, with their entry song Stefania. President Zelensky has vowed they will host the 2023 contest.

Eurovision winners Ukraine have reportedly sold their trophy in a Facebook auction to raise funds for the war in Ukraine (Pic: AFP via Getty Images)Eurovision winners Ukraine have reportedly sold their trophy in a Facebook auction to raise funds for the war in Ukraine (Pic: AFP via Getty Images)
Eurovision winners Ukraine have reportedly sold their trophy in a Facebook auction to raise funds for the war in Ukraine (Pic: AFP via Getty Images)

16 May: Sweden confirms its plans to join Nato, following in the footsteps of neighbouring Finland. However, the move draws strong objections from Turkey, a key NATO member, who declare the two nations should not be allowed to join because they have been too lax in taking action against Kurdish militants, and countries can only join if all current members agree.

17 May: The last remaining Ukrainian defenders of the Azovstal steelworks in Mariupol finally surrender.

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21 May: Independent Russian media outlet Proekt makes fresh claims about Putin’s health, scrutinising the Russian President’s absences as well as visits by medical specialists. There has been long-held speculation that he may be suffering from cancer.

1 June: Ukrainian forces are under pressure in the east, and Russia identifies the city of Sievierodonetsk as its next target. Taking the city would mean Russia controls almost all of Luhansk, part of Moscow’s bid to capture the wider Donbas.

2 June: President Zelensky says Russian forces are now in control of 20% of Ukrainian territory.

Ukrainian President Volodymyr Zelensky answers questions at a press conference on April 23, 2022 in Kyiv, Ukraine. (Photo by John Moore/Getty Images)Ukrainian President Volodymyr Zelensky answers questions at a press conference on April 23, 2022 in Kyiv, Ukraine. (Photo by John Moore/Getty Images)
Ukrainian President Volodymyr Zelensky answers questions at a press conference on April 23, 2022 in Kyiv, Ukraine. (Photo by John Moore/Getty Images)

How long could the war in Ukraine last?

It is impossible to predict how long the conflict could last, with no sign of compromise on either side.

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Even if a ceasefire or agreement is reached between Russia and Ukraine in the not too distant future, there is also a warning that this may not quell Russian aggression years down the line, according to James Rogers, co-founder and director of strategy at the Council on Geostrategy.

“There’s nothing to say that in another one or two years from now, assuming that ceasefire or settlement is reached this year, that the Russians won’t start pushing again and we’ll see another round of invasion and occupation and war again on European soil.”

Near the start of the conflict, US lawmakers were briefed that the war in Ukraine could last another 10 to 20 years. This was backed up by UK Foreign Secretary Liz Truss, who stated the same timeline.

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