What happened on this land around c. 1492–1500s CE (end of medieval period)?

Power struggles among Turkmen confederations set the stage for the Safavid takeover of much of Iran.
Rulers
Regional Turco-Mongol successor states
late 15th century
Political patchwork of regional rulers before the Safavid rise.
Battles
Conflicts among Turkoman confederations (Ak Koyunlu, Kara Koyunlu)
late 15th – early 16th c.
Struggles for control of Iranian and adjacent lands.