When Mieszko II was busy defending Lusatia from the troops of Conrad II, the Kievan expedition started from the east with Yaroslav I the Wise as a leader.

The early Russian type ( known as " The Helmet of Yaroslav Mudry ") was also used by cavalry, which had used the spike as a holder for a horsehair plume in full dress, a practice also followed with some Prussian models ( see below ).

Casimir also signed an alliance with Yaroslav I the Wise, the Prince of Kievan Rus ', who was linked with him through Casimir's marriage with Yaroslav's sister, Maria Dobronega.

* Grand Cross with Collar of the Order of Kniaz Yaroslav the Wise ( Ukraine )

Harald became extremely rich during his time in the east, and secured the wealth collected in Constantinople by shipments to Kievan Rus ' for safekeeping ( with Yaroslav the Wise acting as safekeeper for his fortune ).

From Prince Yaroslav to the people of Riga, to the great and the young, and to all: your way is clear through my lands ; and who comes to fight, with them I do as I know ; but for the merchant the way is clear.

The news of this triple murder reached Sviatopolk's younger brother Yaroslav, Prince of Novgorod, who decided to go to war against Sviatopolk with the support from the citizens of Novgorod and the Varangians.

Later, he returned to Rus ', defeated Yaroslav with the help from his father-in-law and seized Kiev in 1018.

Soon he returned with the Pecheneg army and attacked Yaroslav on the Alta River, but was once again defeated and fled to Poland, eventually dying on his way there.

One Norse saga called Eymund's saga ( a part of Yngvars saga víðförla ), with remarkable details, puts on Yaroslav the blame of his brother Burizlaf's murder.

* The exiled Norwegian King Olaf the Holy, stayed in Närke for some time, 1028 – 1029, with Sigtrygg, before departing for Russia and its ruler Yaroslav I the Wise.

A 1265 treaty of Yaroslav Yaroslavich with Novgorod mentions Tre Volost (), which is later also mentioned in other documents dated as late as 1471.

The modern coat of arms of Moscow ( adopted 1993 ) shows Saint George and the Dragon, based on a heraldic tradition originating in the 11th century with Yaroslav I the Wise | Yaroslav I of Kiev and adopted by the rulers of Vladimir-Suzdal in the 12th century ( Alexander Nevsky ) and eventually by Muscovy in the 14th century ( Dmitry Donskoy ).

However, Mieszko's succession was contested by his half-brothers and the civil war, together with foreign intervention by Conrad II and Yaroslav the Wise of Kiev led to the loss of Lusatia by Poland in the Treaty of Merseburg of 1033.

Upon Alexander's death in 1263, Yaroslav quarrelled with Andrey as to who should become Grand Duke next.

The Yaroslav ’ s Law comprised legal regulations of feudal law along with the archaic regulations that could be traced back to the primitive communal system.

And such is the law for Yaroslav ’ s vera collector: the vera collector takes 7 buckets of hops per week, also sheep or a meat carcass or 2 nogata ( 1 nogata = 1 / 20th of grivna ); and on a Wednesday cheese and a marten pelt ; and the same on Friday ; and give him two chickens per day ; and seven breads per week ; and seven measures of grain ; and seven measures of peas ; and seven measures of salt ; this for a vera collector with a man ; and for him 4 horses, which be given a measure of oats ; for vera collector 8 grivnas and 10 kunas in fees, and for the pageboy 12 squirrel pelts ; and a grivna when he goes away, and for each victim 3 grivnas.

Roman replaced Gleb after the last one being sent to Novgorod, then he united with his brother Oleg and cousin Boris ( a son of one of younger sons of Yaroslav the Wise ) in the fight against their uncles Grand Princes Vsevolod and Iziaslav after the death of his father in 1076.

When the city was attacked by Teutonic Knights, Yaroslav again sent Andrey with several units to help.

The highest-ranking European delegate was Alexander Nevsky's father, Grand Prince Yaroslav Vsevolodovich of Vladimir and Suzdal, who died suspiciously just after dining with Toregene Khatun.

He brought with him much of Discovery's personnel, such as riders Alberto Contador, Levi Leipheimer, Yaroslav Popovych, Tomas Vaitkus, and coach Sean Yates.

Meanwhile, a core of dissenters found refuge with Mikhail ; to secure his hegemony over Novgorod, therefore, Yaroslav Vsevolodovich had to stop Mikhail from giving them support.

Yaroslav fled to Ladoga whence he was summoned by Novgorodians to succeed Alexander as their military commander.

In 1240 Novgorodians expelled his brother, Alexander Nevsky, from the city and asked Yaroslav II to send them another commander.

After levying heavy fines on Yaroslav Vsevolodovich ’ s supporters, the Novgorodians used the money for the benefit of the entire community by paying for the construction of a new bridge.

Later in June Yaroslav Stetsko sent to Bandera a report in which he indicated-" We are creating a militia which would help to get remove the Jews and protect the population.

Moreover, the Norse Eymund's saga tells a story of the Varangian warriors who were hired by Yaroslav I the Wise to kill his brother Burizleif.

After collecting his forces during June, Boleslaw led his troops to the border in July and on 23 July at the banks of the Bug River, near Wielen, he defeated the forces of Yaroslav the Wise prince of Kiev, in what became known as the Battle at Bug river.

George proved to be a shrewd ruler who decisively defeated Volga Bulgaria and installed his brother Yaroslav in Novgorod.

In 1068, at the Alta River the Cumans defeated the armies of the three sons of Yaroslav the Wise — Iziaslav Yaroslavych, Sviatoslav II Yaroslavych, and Vsevolod Yaroslavych.

On August 17, 1245, Daniel defeated a combined force of the Prince of Chernihiv, disaffected boyars, and Hungarian and Polish ( see also Order of Dobrin ) elements at Yaroslav and finally took the remainder of Galicia, thus reconstituting his father's holdings.

The Primary Chronicle accused Svyatopolk of planning those murders, while the Saga of Eymund is often interpreted as recounting the story of Boris's assassination by the Varangians in the service of Yaroslav.

So, it is unlikely that Svyatopolk had been present at his court since 1015, which is often supposed by the historians that consider Yaroslav guilty of Boris and Gleb's murders.

The Pravda Yaroslava, originally combined by Yaroslav the Wise the Grand Prince of Kiev, was granted to Great Novgorod around 1017, and in 1054 was incorporated into the Russkaya Pravda, that became the law for all of Kievan Rus.

Mentioned in the Primary Chronicle under 1127 as Goroden and located at a crossing of numerous trading routes, this Slavic settlement, possibly originating as far as the late 10th century, became the capital of a poorly attested but separate principality, ruled by Yaroslav the Wise's grandson and his descendants.

Upon the death of Andrei Aleksandrovich ( Aleksandr Nevsky's son and Yaroslav's nephew ), Mikhail became the Grand Prince of Vladimir in 1304, as was consistent with the Rota System of collateral succession that had been practiced in Rus since the time of Yaroslav the Wise.

His only brother, Yaroslav Vsevolodovich became the new senior prince of the dynasty, and thus Vsevolod became answerable to his uncle.

* Yaroslav of Russia, Grand Duke of Vladimir

* September 9 – Yaroslav of Tver, Grand Duke of Vladimir

** Yaroslav the Wise ( no earlier than 983 ), Prince of Rostov ( 987 – 1010 ), Prince of Novgorod ( 1010 – 1034 ), Grand Prince of Kiev ( 1016 – 1018, 1019 – 1054 ).

Yaroslav I, Grand Prince of Rus < nowiki >'</ nowiki >, known as Yaroslav the Wise ( Old Norse: Jarizleifr ; ; Old East Slavic and Russian Ярослав Мудрый ; ; c. 978 – 20 February 1054 ) was thrice Grand Prince of Novgorod and Kiev, uniting the two principalities for a time under his rule.

* Ingegerd Olofsdotter ( circa 1001-1054 ), Grand Princess of Kiev, in Kievan Rus ' called Anna, married Yaroslav I the Wise, prince of Novgorod and Kiev.

There, he spent some time in the army of Grand Prince Yaroslav the Wise, eventually obtaining rank as a captain, until moving on to Constantinople around 1034.

Upon arriving there in 1031, Harald and his men were welcomed by Grand Prince Yaroslav the Wise, whose wife Ingegerd was a distant relative of Harald.

Mengu-Timur was good as his words, when the Danes and the Livonian Knights attacked the north-western lands of the Rus in 1269, the Khan's great basqaq ( darugachi ), Amraghan, and many Mongols assisted the Russian army assembled by the Grand duke Yaroslav.

On his return Batu summoned the Grand prince Yaroslav II of Vladimir to meet him.

* Yaroslav I the Wise ( c. 978 – 1054 ), thrice Grand Prince of Novgorod and Kiev

* Yaroslav I the Wise ( 978 – 1054 ), Grand Prince of Kiev.

* Yaroslav II of Vladimir ( 1191 – 1246 ), Grand Prince.

* Yaroslav of Tver ( 1220 – 1271 ), sometimes called Yaroslav III, Grand Prince.

In 1031 Harald and his men reached the land of the Kievan Rus, where they served the armies of Yaroslav I the Wise, the Grand Prince of the Rus, whose wife Ingigerd was a distant relative of Harald.

Yaroslav III Yaroslavich ( 1230 – 1271 ) ( Russian: Ярослав Ярославич ) was the first Prince of Tver and the tenth Grand Prince of Vladimir from 1264 to 1271.

* Yaroslav II of Kiev ( died 1180 ), Grand Prince of Kiev ( 1174 – 1175, 1180 )

* Yaroslav II of Vladimir ( 1191 – 1246 ), Grand Prince of Vladimir ( 1238 – 1246 )