c. 209 BCE – 12th century CE
Xiongnu and Earlier Steppe Empires
Successive steppe empiresModu Chanyu (Xiongnu, r. from 209 BCE)Tengrism, with later Manichaean & Buddhist minorities
Migration & conquest:Contested by, and drove the fortification of: Qin/Han China's frontier wallFragmentation & westward migration: Xiongnu remnants (1st–5th c.)
Who & why: more than fourteen centuries before Temüjin's rise, Modu Chanyu unifies the Mongolian steppe's nomadic peoples into the Xiongnu confederation in 209 BCE, an empire powerful enough to extract tribute and princess-brides from Han-dynasty China for generations. After the Xiongnu fracture under Han pressure by the 1st century CE, a long relay of successor steppe empires — the Xianbei, the Rouran Khaganate, the Gökturk Khaganate (which first popularizes the very name "Turk" as a political identity), the Uyghur Khaganate, and the Khitan-ruled Liao dynasty — dominate the same steppe in turn, each eventually fragmenting or falling to the next, down to the divided Mongol, Keraite, Naiman, Merkit, and Tatar confederations that Temüjin inherits and unifies after 1206.
What it represents: no flag or banner in the modern sense survives from the Xiongnu or any of the steppe empires that followed them; each is known through Chinese court records, tribute lists, and archaeology rather than any attested vexillology. Shown here honestly blank rather than invented.
World context: the Xiongnu's rise directly drives Qin and Han China to link earlier regional walls into a single fortified frontier from the late 3rd century BCE — the ancestor of the Great Wall of China, built and rebuilt for the next two thousand years substantially because of pressure from this page's own steppe empires. The Gökturk Khaganate's 6th-century rise is contemporary with Justinian's Hagia Sophia in Constantinople (completed 537 CE); the Uyghur Khaganate's adoption of Manichaeism as a state religion in the 760s falls within the same broad era as Charlemagne's Carolingian Empire and the height of the Abbasid Caliphate at Baghdad; and the Khitan Liao dynasty's 10th–12th century rule over the eastern steppe runs alongside Song-dynasty China's economic flowering and the launch of the First Crusade in 1096.