text: The Schechter Letter uses the name "HLGW" to describe a ruler of this empire who led two thousand boatstraveling on land to raid Constantinople, where he nailed his shield to the city gates.
full_question: The Schechter Letter uses the name "HLGW" to describe a ruler of this empire who led two thousand boatstraveling on land to raid Constantinople, where he nailed his shield to the city gates. This empire sacked aneighboring state's city of Atil. Boleslaw the Brave intervened in a succession crisis in this empire, duringwhich he chipped his sword after striking its capital's Golden Gate. This empire's history is recorded inNestor's Primary Chronicle. A ruler of this empire was baptized at Chersonesus after marrying Basil II's sister,Anna. This empire, which conquered the Khazar Empire, was ruled by a dynasty began by Rurik. For 10 points,name this empire ruled by Yaroslav the Wise and Vladimir the Great from the modern-day capital of Ukraine.
first_sentence: The Schechter Letter uses the name "HLGW" to describe a ruler of this empire who led two thousand boatstraveling on land to raid Constantinople, where he nailed his shield to the city gates.
raw_answer: Kievan Rus [or Kiev] 