The journey toward Iraq
After Mu‘awiya’s death, Husayn declined allegiance to Yazid. Invitations from Kufa contributed to his decision to travel toward Iraq with relatives and supporters.
Source: TDV Encyclopaedia of Islam — Husayn
Karbala
His party was intercepted, and he was killed at Karbala in 680. The event shaped later Muslim political and religious memory, especially the mourning traditions of Muharram. Its significance extends beyond a simple account of military defeat.
Source: TDV Encyclopaedia of Islam — Husayn
