We Shia celebrate this Eid as the greatest Eid for us, to bad most Muslims from this Uma know nothing about it. The rulers did tried to hide this Eid for centuries and the reason is very obvious, to ignore Muhammad's commandment to you all.😟
On the 18th day of the month of Dhu al-Hijjah Ali ibn Abi Talib become the successor of the prophet Muhammad. You can read the last Sermon of the Prophet Muhammad pbuh and his Progeny in Ghadir Khumm. So learn about this hiding Islamic history and change your life before too late.