Qualla
The "triangle of Kyiv, Chernihiv and Pereyaslavl" in 1132, also known as the "Kyiv–Chernihiv–Pereiaslav triangle", the "triangle of Kiev, Chernigov, and Pereiaslavl’", or "Kievan triangle". According to Soviet historian Arseniy Nikolaevich Nasonov, “Russkaia zemlia” i obrazovanie territorii drevnerusskogo gosudarstva. Istoriko-geograficheskoe issledovanie (Moscow: Nauka, 1951), pp. 216–20, these three urban centres and their principalities formed the core area of what contemporaneous Rus' sources (since the late 11th century, through the 12th century, until at least the early 13th-century Kyivan Chronicle) identified as "Rus'", or "the Rus' Land". Nasonov posited, for example, that when these texts said someone travelling from Vladimir-Suzdal in the northeast, Velikiy Novgorod in the north, or Galicia-Volhynia (Halych-Volyn) in the southwest, was "going to Rus'", the context indicated that this usually meant the area of the cities of Kyiv (Kiev), Chernihiv (Chernigov) and Pereyaslavl (Pereiaslav) on the Middle Dnipro (Dnieper). The area designated as "Rus' (Land)" would only expand later to encompass other parts of the Rurikid/Volodimerovichi realm, or the whole of Kievan Rus' (Kyivan Rus'). In addition, by the middle of the 14th century, the term "Rus' Land" had taken on a new, third meaning, no longer referring to the Kievan triangle or all of former Kievan Rus', but to the Suzdalian principalities in the northeast, later specifically Muscovy (the Grand Duchy of Moscow). Several scholars such as Rybakov (1953), Cherepnin (1958), Tikhomirov (1947) and Artamonov (1962) accepted Nasonov's theory. Opponents such as Likhachev and Soloviev claimed that the term "Rus' (Land)" had already acquired a broader political meaning encompassing all East Slavic Kievan Rus' territories earlier that Nasonov proposed. Plokhy, Serhii (2006) The Origins of the Slavic Nations: Premodern Identities in Russia, Ukraine, and Belarus, Category:New York: Cambridge University Press, pp. 37–39, 49, 70–71 ISBN: 978-0-521-86403-9. Halperin, Charles J. (17 February 2016). "A Tatar interpretation of the battle of Kulikovo Field, 1380: Rustam Nabiev". Nationalities Papers 44 (1): 12. DOI:10.1080/00905992.2015.1063594. ISSN 0090-5992. Halperin, Charles J. (2022) The Rise and Demise of the Myth of the Rus' Land, Leeds: Arc Humanities Press, pp. 7, 18, 20, 41, 58 ISBN: 9781802700565.   Kyiv   Chernihiv   Pereyaslavl   Halych   Volyn   Polatsk   Smolensk   Novgorod   Rostov-Suzdal   Murom-Ryazan   (disputed)
The "triangle of Kyiv, Chernihiv and Pereyaslavl" in 1132, also known as the "Kyiv–Chernihiv–Pereiaslav triangle", the "triangle of Kiev, Chernigov, and Pereiaslavl’", or "Kievan triangle". According to Soviet historian Arseniy Nikolaevich Nasonov, “Russkaia zemlia” i obrazovanie territorii drevnerusskogo gosudarstva. Istoriko-geograficheskoe issledovanie (Moscow: Nauka, 1951), pp. 216–20, these three urban centres and their principalities formed the core area of what contemporaneous Rus' sources (since the late 11th century, through the 12th century, until at least the early 13th-century Kyivan Chronicle) identified as "Rus'", or "the Rus' Land". Nasonov posited, for example, that when these texts said someone travelling from Vladimir-Suzdal in the northeast, Velikiy Novgorod in the north, or Galicia-Volhynia (Halych-Volyn) in the southwest, was "going to Rus'", the context indicated that this usually meant the area of the cities of Kyiv (Kiev), Chernihiv (Chernigov) and Pereyaslavl (Pereiaslav) on the Middle Dnipro (Dnieper). The area designated as "Rus' (Land)" would only expand later to encompass other parts of the Rurikid/Volodimerovichi realm, or the whole of Kievan Rus' (Kyivan Rus'). In addition, by the middle of the 14th century, the term "Rus' Land" had taken on a new, third meaning, no longer referring to the Kievan triangle or all of former Kievan Rus', but to the Suzdalian principalities in the northeast, later specifically Muscovy (the Grand Duchy of Moscow). Several scholars such as Rybakov (1953), Cherepnin (1958), Tikhomirov (1947) and Artamonov (1962) accepted Nasonov's theory. Opponents such as Likhachev and Soloviev claimed that the term "Rus' (Land)" had already acquired a broader political meaning encompassing all East Slavic Kievan Rus' territories earlier that Nasonov proposed. Plokhy, Serhii (2006) The Origins of the Slavic Nations: Premodern Identities in Russia, Ukraine, and Belarus, Category:New York: Cambridge University Press, pp. 37–39, 49, 70–71 ISBN: 978-0-521-86403-9. Halperin, Charles J. (17 February 2016). "A Tatar interpretation of the battle of Kulikovo Field, 1380: Rustam Nabiev". Nationalities Papers 44 (1): 12. DOI:10.1080/00905992.2015.1063594. ISSN 0090-5992. Halperin, Charles J. (2022) The Rise and Demise of the Myth of the Rus' Land, Leeds: Arc Humanities Press, pp. 7, 18, 20, 41, 58 ISBN: 9781802700565.   Kyiv   Chernihiv   Pereyaslavl   Halych   Volyn   Polatsk   Smolensk   Novgorod   Rostov-Suzdal   Murom-Ryazan   (disputed) — Photo: Das steinerne Herz (talk · contribs), Rowanwindwhistler (talk) | CC BY-SA 4.0

Principality of Chernigov

Kievan RusMedieval historyChernihivHistorical states
4 min read

In 1024, a prince named Mstislav did something almost unheard of in his violent world: instead of fighting his brother to the death for supremacy, he sat down and drew a line on a map. The line ran along the Dnieper River, and to the east of it he built one of the largest and most powerful states within Kievan Rus'. For a time it answered to no one but Kyiv itself, and often not even to Kyiv. This was the Principality of Chernigov, and its capital on the Desna would remain a great centre of Rus' culture and power for centuries.

The First Peace of the Rus'

Before the 11th century, the land was governed by local tribal elders and by officials sent from Kyiv to gather tribute and keep order. Everything changed in 1024, when Mstislav of Chernigov, a son of Vladimir the Great, arrived from the distant south and made himself ruler here. Rather than settle his rivalry with his brother Yaroslav the Wise by war, he fixed the Dnieper as the boundary between them - the first recorded attempt in the lands of the Rus' to divide authority by agreement instead of bloodshed. It worked because the country was vast: Mstislav pushed his influence south while Yaroslav ranged north, and there was room enough for both. Mstislav raised Chernigov into a true capital, expanding the citadel and throwing up ramparts two and a half kilometres around, four metres high on average - enormous by the standards of the age.

A Land Between Three Nations

The principality sprawled across the left bank of the Dnieper, filling the basins of the Desna and Seim rivers, over territory that today belongs to three countries - Ukraine, Belarus, and Russia. Its people were mostly Siverians and Dnieper Polans, with Radimichs, Vyatichs, and Drehovichs folded in as the borders grew. Chernigov was the heart of it, but it was a realm of cities: Novhorod-Siversky, Starodub, Trubchevsk, Kozelsk, Kursk, and many more owed it allegiance. To the north lay the Murom-Ryazan lands, to the southeast the remote outpost of Tmutarakan. Few states of Kievan Rus' covered so much ground, and for generations Chernigov ranked second only to the Principality of Kiev in wealth and might.

The Dynasty That Would Not Fade

When Mstislav died after a hunting trip in 1036, Chernigov briefly fell back into Kyiv's realm under Yaroslav the Wise. But the principality had its own dynasty coming. Yaroslav's son Sviatoslav founded the Chernigov branch of the Rurikids, and after a bitter succession struggle the great assembly at the Council of Liubech settled the matter: Sviatoslav's sons Oleg and Davyd, and their heirs, would hold the principality for good. It splintered over time into smaller domains - Chernigov proper, Novgorod-Seversk, Murom-Ryazan - yet its princes stayed formidable, even claiming the grand title of Kyiv itself for stretches. Formed in the 10th century, the principality kept some measure of its distinct identity until the 16th, a remarkably long life for a medieval Rus' state - all of it flowing from that first, unusual choice to divide a kingdom in peace.

From the Air

The principality's capital was Chernihiv, centred near 51.50 N, 32.00 E in the Desna basin of northern Ukraine. From 5,000 feet and above, the historic core reads as a domed hilltop above the winding Desna, at the heart of a broad forest-steppe plain that once stretched into modern Belarus and Russia. Nearest airport is Chernihiv Shestovytsia (UKRR); Kyiv Boryspil (UKBB) lies about 140 km southwest.

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