And in particular, we're gonna talk about the Eastern Slavs who, not just modern Russians, but also Ukrainians and Belorussians view as their ancestors. So let's think about the world in the ninth century. The early ninth century, we see the reign of Charlemagne which we talk about in some depth in other videos. As we get into the 10th century, you see the reign of Otto the Great, Holy Roman Emperor over the Germanic kingdoms. The ninth century is also the time of Tang China. You have the Abbasid Muslim Caliphate in control over most of the Middle East and North Africa. And it is also the Viking Age.