What happened on this land around c. 1000–1100 CE?

Turkic dynasties (Seljuks) dominate much of Iran and Anatolia; Persian administrative culture remains central to governance.
Rulers
Seljuk Turks (rise)
c. 1000–1100 CE
mid-11th century onward", "description": "Seljuks expand into Iran and Anatolia, forming a Turko-Persian polity.
Battles
Battle of Manzikert (relevance to Anatolia/Turkey)
1071 CE
Seljuk victory opens Anatolia to Turkic settlement; shifts regional balance affecting Iran's western flank.