All dates are taken from the chronology in The Cambridge History of Russia, Vol. 1, the chronology in Medieval Russia, 980-1584, and the chronologies complied by S.P. Shushkin (links here, here, and here)
860: Rus' attack on Constantinople.
862: Rurik is invited to Rus'. He establishes his rule in Novgorod. First mention of the city of Murom in the chroncles
c. 863: Cyril and Methodius create the Cyrillic alphabet in Moravia.
865: Askold and Dir take over Kiev.
879: Death of Rurik. Oleg of Novgorod begins his reign.
882: Oleg conquers Kiev and has Askold and Dir killed. The capital of Kievan Rus' moves from Novgorod to Kiev.
912: Oleg dies. Igor, son of Rurik, begins his reign.
941: Igor's first attack on Constantinople.
943-944: Igor's second attack on Constantinople. Kievan Rus' and the Byzantines sign a peace treaty.
946: Igor is killed by the Drevilians. His wife, Olga, rules Kievan Rus' in her son's stead.
c. 957: Conversion of Olga to Christianity.
957: Sviatoslav, Olga's son, begins his reign.
964-966: Sviatoslav conquers the Khazar Empire.
969: Death of Olga.
967-971: Sviatoslav conducts campaigns in Bulgaria.
972: Sviatoslav is killed by the Pechenegs. His son, Yaropolk, begins his reign.
977-980: Civil War between Yaropolk and his brother, Vladimir.
980: Yaropolk is killed. Beginning of the reign of Grand Prince Vladimir the Great. Pagan reform is undertaken.
981-982: Vladimir puts down a Viatichi rebellion.
984: Vladimir conquers the Radimichi.
985: Vladimir conducts a campaign on the Volga Bulgars.
988: Vladimir converts Kievan Rus' to Orthodox Christianity.
996: Construction on the Church of the Tithes is completed.
1015: Vladimir the Great dies. His son, Sviatopolk, begins his reign. Sviatopolk has his brothers, Boris, Gleb, and Sviatoslav, killed.
1016-1019: Civil war between Sviatopolk and his brother, Yaroslav.
1019: Sviatopolk dies. Beginning of the reign of Grand Prince Yaroslav the Wise.
1023-1025: Yaroslav's brother, Mstislav, challenges Yaroslav for the crown, and establishes himself as prince of Chernigov.
1024: Yaroslav loses the Battle of Listven to Mstislav.
1025: Kievan Rus' becomes divided between Yaroslav and Mstislav.
1036: Mstislav dies, leaving Yaroslav the sole ruler of Kievan Rus'.
1037-1046: Construction of the Church of St. Sophia in Kiev.
1043: Last Rus' campaign on Constantinople.
1050: The Church of St. Sophia in Novgorod is completed.
1051: Hilarion becomes metropolitan of Kievan Rus'. The Pecherskii (Cave) Monastery is founded.
1054: Schism between Eastern and Western Christianity. Death of Yaroslav the Wise. His son, Iziaslav I Yaroslavich, becomes Grand Prince.
1054-1073: Triumvirate of Yaroslavichi. Yaroslav's sons, Iziaslav, Sviatoslav, and Vsevolod, rule Kievan Rus' together: Iziaslav from Kiev, Sviatoslav from Chernigov, Vsevolod from Pereiaslavl'.
1055: The Polovtsy first appear in the steppes east of Kievan' Rus.
1060: The Yaroslavichi conduct a campaign against the Torks.
1061: The Polovtsy attack Kievan' Rus for the first time.
1067: Iziaslav's reign at Kiev is challegned by Vseslav of Polotsk.
1068: The Polovtsy attack Kievan Rus' again. The Yaroslavichi lose to the Polovtsy in battle.
1068-1069: Vseslav rules Kiev for about seven months.
1069: Iziaslav regains the Kievan throne.
1072: Boris and Gleb are canonized.
1073: Sviatoslav and Vsevolod evict their brother Iziaslav from Kiev. Sviatoslav begins his reign as Sviatoslav II.
1076: Sviatoslav dies. Vsevolod begins his reign in Kiev.
1077: Iziaslav regains the Kievan throne.
1078: Sviatoslav's son, Oleg Sviatoslavich, challenges Iziaslav and Vsevolod for control of Chernigov. Iziaslav is killed in battle. Vsevolod regains the Kievan throne.
1088: The Volga Bulgars attack the city of Murom.
1093: Vsevolod dies. Iziaslav's son, Sviatopolk II Iziaslavich, becomes Grand Prince of Kievan Rus'.
1093-1095: War between Kievan Rus' and the Polovtsy.
1095-1096: Civil War between the Sviatoslavichi and Vsevold's son, Vladimir Monomakh for control of Rostov-Suzdal', Chernigov, and Smolensk.
1096: Polovtsy attack Kiev and burn the Pecherskii Monastery. Start of the First Crusade.
1097: Council of Liubech. Kievan Rus' is divided between Yaroslav the Wise's descendants.
1100: Congress of Vitichev.
1001: The Polovtsy and Kievan Rus' sign a peace treaty.
1103: Congress of Dolobsk. Coalition of Kievan Rus' princes defeat the Polovtsy in battle.
1107: Volga Bulgars attack Suzdal'.
1108: Vladimir Monomakh's son, Prince Yuri Vladimirovich Dolgorukii of Rostov-Suzdal', founds the city of Vladimir.
1111: Coalition of Kievan Rus' princes defeat the Polovtsy in battle again.
1113: Sviatopolk II dies. Vladimir II Monomakh becomes Grand Prince of Kiev. First edition of the Primary Chronicle is complied.
1116: Second edition of the Primary Chronicle is completed.
1118: Vladimir Monomakh conquers the city of Minsk.
1120: Prince Yuri Dolgorukii invades the territory of the Volga Bulgars.
1125: Death of Vladimir Monomakh. His son, Mstislav I the Great, becomes Grand Prince. Yuri Dolgorukii becomes prince of Rostov.
1126: Novgorod elects its posadnik (mayor) for the first time.
1128: Famine in Novgorod, Pskov, Suzdal', Smolensk, and Polotsk.
1129: The Ryazan Principality separates from the Murom-Ryazan Principality.
1132: Death of Mstislav the Great. His younger brother, Yaropolk II Vladimirovich, becomes Grand Prince.
1132-1134: Yuri Dolgorukii tries to acquires Pereiaslavl'.
1135-1136: Unrest in Novgorod.
1136-1137: The Cathedral of the Mother of God in Smolensk is constructed.
1139: Yaropolk II dies. His younger brother, Viacheslav I Vladimirovich, rules for eight days, then is replaced by Sviatoslav II's grandson, Vsevolod II Olegovich.
1144: The Galician principality is formed through the union of several smaller principalities.
1146: Vsevolod II dies. His brother, Igor II Olegovich, rules as Grand Prince for six months, then is replaced by Iziaslav II Mstislavovich.
1146-1161: Civil war between royal factions for control of Kiev.
1147: The city of Moscow is first mentioned in the chronicles.
1148: Novgorod attacks the city of Yaroslavl'.
1149: Yuri Dolgorukii takes control of Kiev.
1150: Viacheslav I Vladimirovich takes Kiev from Yuri Dolgorukii. Iziaslav II retakes Kiev from Viacheslav I, before Yuri Dolgorukii takes control of Kiev again.
1151: Iziaslav II retakes Kiev from Yuri Dolgorukii.
1152: The cities of Pereiaslavl-Zalessky and Kostroma are founded. The Volga Bulgars attack the city of Yaroslavl'.
1154: Iziaslav II dies. Rostislav I Mstislavich begins his reign. The city of Dmitrov is founded.
1155: Iziaslav III Davidovich, a grandson of Sviatoslav II, takes control of Kiev for about six months. Yuri Dolgorukii takes control of Kiev for the final time.
1157: Yuri Dolgorukii dies. Iziaslav III rules Kiev again. Andrei Yurievich Bogoliubskii (God-loving) begins his reign in Vladimir.
1157-1159: Co-rule of Kievan Rus' by Iziaslav III from Kiev and Andrei Bogoliubskii from Vladimir-Suzdal'.
1158: The Church of the Assumption in Vladimir begins construction.
1159: Rostislav I regains the throne in Kiev. Iziaslav III retakes Kiev later that year.
1160: Rostislav I regains Kiev for good. The Novgorodians revolt against Rostislav's son, Sviatoslav Rostislavovich.
1159-1167: Co-rule of Kievan Rus' by Rostislav I from Kiev and Andrei Bogoliubskii from Vladimir-Suzdal'.
1164: Andrei Bogoliubskii leads a campaign against the Volga Bulgars. Novgorod defeats the Swedes in battle.
1167: Rostislav I dies. Iziaslav III's son, Mstislav II Iziaslavich, begins his reign.
1167-1169: Co-rule of Kievan Rus' by Mstislav II from Kiev and Andrei Bogoliubskii from Vladimir-Suzdal'.
1168: Mstislav II leads a successful campaign against the Polovtsy.
1169: Andrei Bogoliubskii's forces conquer Kiev and sack the city. The capital of Kievan Rus' is moved from Kiev to Vladimir. Gleb Yurivich of Pereiaslavl' becomes prince of Kiev.
1171: Gleb Yurivich dies. The Polovtsy tribes form a coalition under Khan Konchak.
1173: Yaroslav Iziaslavich begins his reign in Kiev.
1174: Andrei Bogoliubskii is assassinated. His brother, Mikhail Yurievich begins his reign in Vladimir.
1176: Sviatoslav III Vsevolodovich takes the Kievan throne from Yaroslav Iziaslavich. Vsevolod III Yurievich "Big Nest" became prince of Vladimir; his reign will mark the heyday of Vladimir-Suzdal'.
1183: Vsevolod Big Nest attacks the Volga Bulgars.
1184: Sviatoslav III leads a succesful campaign against the Polovtsy.
1185: Armies from Vladimir-Suzdal' attack the Volga Bulgars. The Polovtsy defeat Prince Igor Sviatoslavich of Novgorod-Seversk, inspiring the epic poem “Lay of Igor’s Campaign”.
1191/1192: Novgorod signs a commercial treaty with the Scandinavians and with German cities.
1194: Sviatoslav III died. Prince Riurik Rostislavich begins his rule in Kiev.
1196: Vsevolod Big Nest attacks Chernigov.
1199: Roman Mstislavich unites Galicia and Volynia, creating the Galician-Volynian Principality. He challenges Riurik Rostislavich for the Kievan throne.
1202-1224: War between the Livonian Brothers of the Sword and Novgorod, Pskov, and Polotsk over Livonia. The Livonian Brothers capture Rus' possessions in the Baltic.
1203: Riurik Rostislavich sacks Kiev during his conflict with Roman Mstislavich.
1204: Constantinople is captured by Crusaders in the Fourth Crusade.
1205: Roman Mstislavich dies. Vladimir-Suzdalian armies attack the Volga Bulgars.
1207: The Rostov principality separates from the Vladimir-Suzdal' principality.
1208: Vsevolod Chermnyi (the Red) drives Riurik Rostislavich from Kiev and begins his reign in the city.
1209: The city of Tver is first mentioned in the chronicles.
1212: Vsevolod Big Nest and Vsevolod the Red die. Mstislav
Romanovich begins his reign in Kiev, and Yuri II Vsevolodich begins his reign in Vladimir. The city of Ustiug Velikii is founded.
1215: Riurik Rostislavich, former prince of Kiev, dies.
1216: Battle of Lipitsa between Yuri II and his older brother, Konstantin Vsevolodich. Konstantin wins the battle and becomes prince of Vladimir.
1218: Konstantin Vsevolodich dies. Yuri II rules Vladimir again. The Volga Bulgars attack Ustiug Velikii.
1219-1221: Genghis Khan conquers Central Asia.
1220-1221: Yuri II leads a campaign against the Volga Bulgars.
1221: The city of Nizhny Novgorod is founded.
1223: The Mongols defeat the combined forces of Kievan Rus' and the Polovtsy at the Battle of Kalka. Mstislav Romanovich dies in battle. Vladimir Riurikovich begins his rule in Kiev.
1227: Genghis Khan dies. Batu Khan becomes Great Khan.
1229: The Mongols attack the Volga Bulgars and the Polovtsy.
1231: Mikhail Vsevolodovich of Chernigov challenges Vladimir Riurikovich for the Kievan throne.
1232: The Mongols attack the Volga Bulgars again.
1234: Yaroslav Vsevolodovich of Novgorod defeats the Germans at Yuryev and signs a peace treaty with them.
1235: Vladimir Riurikovich is captured by the Polovtsy. The Mongols begin the "Great Western Campaign".
1236: Alexander Yaroslavich Nevsky becomes prince of Novgorod. The Mongols invade the Volga Bulgars and destroy their major cities.
1237: Mikhail Vsevolodovich begins his rule in Kiev. The Livonian Brothers of the Sword merge with the Teutonic Order. The Mongol invasion of Kievan Rus' begins.
1238: The Mongols conquer Vladimir and Suzdal'. The northern Rus' princes are defeated by the Mongols at the Battle of Sit'. Yuri II is killed at the Battle of Sit'. Yaroslav Vsevolodich begins to rule Vladimir under the Mongols. The Suzdal' principality and the Belozersk principality separate from the Vladimir-Suzdal' principality.
1239: The Mongols conquer and devastate Chernigov and Pereiaslavl'.
1240: The Mongols invade southern Kievan Rus', conquering Kiev and the Galician-Volynian principality.