What happened on this land around c. 1400–1492 CE (Timurid and successor states)?

Timurid cultural renaissance with architectural and artistic achievements; political fragmentation persists.
Rulers
Timurid Empire (Timur/Tamerlane and successors)
c. 1370–1507 CE
Timur establishes a wide, though partly unstable, empire across Iran, Central Asia and beyond.
Battles
Battle of Ankara (Timurid/Ottoman context)
c. 1402 CE
Timur defeats Ottoman sultan Bayezid I — affects Anatolian and Iranian geopolitics.