| 882 | Kyivan Rus is founded by the Varingian prince Oleh (Helgi in Old Norse) of Novgorod. |
| 907 | Rus-Byzantine war results in more profitable trade for Kyivan Rus. |
| 945 | Olha, the central figure in spreading Christianity within Rus, becomes regent after her husband Igor’s assassination. She achieves sainthood after her death. |
| 972 | Sviatoslav I, who had expanded Kyivan Rus through numerous military campaigns, is killed during a conflict with Constantinople. |
| 988-989 | Volodymyr converts to Christianity, leading to the Christianization of Kyivan Rus. |
| 1015 | Borys (Boris) and Hlib (Gleb), sons of Volodymyr, are killed and become the first saints of Rus born in the area. |
| 1018 | Yaroslav the Wise rises to power, beginning the so-called golden age of Rus. |
| 1146 | Death of Vsevolod Olgovich, considered by some to be the end of the kingdom of Rus. |
| 1204 | Constantinople is sacked during the Fourth Crusade, negatively impacting the trade routed of Kyivan Rus. |
| 1240 | The Mongol World Empire’s army sacks Kyiv, marking the definite end of Kyivan Rus. |
| 1430 | Most of modern-day Ukraine is annexed by the Polish-Lithuanian Commonwealth. |
| 1648 | The Cossack Hetmanate under the leadership of Bohdan Khmelnytsky is established in central Ukraine. |
| 1795 | End of the Partitions of Poland; the majority of Ukraine is now part of the Russian Empire. |
| 1917-1921 | Ukrainian War of Independence from the Russian Empire. |
| 1922 | Ukraine becomes part of the newly-established USSR after the defeat of Ukrainian People’s Republic by the Red Army. |
| 1932-1933 | The Holodomor, also known as the Terror-Famine or Great Famine, was a man-made famine that took place in Soviet-controlled Ukraine, resulting in the deaths of an estimated seven to ten million Ukrainians. |
| 1986 | The Chernobyl nuclear disaster took place near Pripyat, a city in northern Ukraine. Over 350,000 civilians were relocated. |
| 1991 | The referendum for Ukrainian Independence takes place, in which the population of Ukraine overwhelmingly votes to separate from the USSR. |
| 2004-2005 | Orange Revolution was a nationwide series of protests and strikes that ended with the election of the opposition presidential candidate Viktor Yushchenko after annulment of pro-Russian candidate Viktor Yanukovych’s victory. |
| 2013-2014 | Revolution of Dignity, also known as Maidan Revolution, followed deadly clashes between civil protesters and state forces and resulted in ousting of pro-Russian president Viktor Yanukovych, who won the 2010 election. |
| 2014 | Russia invades eastern Ukraine and annexes Crimea. |
| 2019 | Volodymyr Zelenskyy is elected president of Ukraine, promising to accelerate the European integration and end war in Donbass. |
| 2022 | Russia invades Ukraine on February 24 starting with simultaneous missile attacks at major economical and cultural centers of Ukraine. |