Recognition of the Frankish Empire under Charlemagne.
Identification of territorial gains during the reign of Ivan the Terrible, specifically the Kazan and Astrakhan Khanates. ### Part 4: Logical Puzzles (Chronology) Recognition of the Frankish Empire under Charlemagne
Answer: Nestor the Chronicler . Question 2: Which event happened first in 1242? Recognition of the Frankish Empire under Charlemagne