The Battle of Karbala took place on Muharram

Muharram

Muharram is the first month of the Islamic calendar. It is one of the four sacred months of the year in which fighting is prohibited...

 10, in the year 61 of the Islamic calendar

Islamic calendar

The Hijri calendar , also known as the Muslim calendar or Islamic calendar , is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days. It is used to date events in many Muslim countries , and used by Muslims everywhere to determine the proper day on which to celebrate Islamic...

(October 10, 680) in Karbala

Karbala

Karbala is a city in Iraq, located about southwest of Baghdad. Karbala is the capital of Karbala Governorate, and has an estimated population of 572,300 people ....

, in present day Iraq. On one side of the highly uneven battle were a small group of supporters and relatives of Muhammad

Muhammad

Muhammad |ligature]] at U+FDF4 ;Arabic pronunciation varies regionally; the first vowel ranges from ~~; the second and the last vowel: ~~~. There are dialects which have no stress. In Egypt, it is pronounced not in religious contexts...

's grandson Husain ibn Ali, and on the other was a large military detachment from the forces of Yazid I

Yazid I

Yazīd ibn Mu‘āwiya ibn Abī Sufyān , commonly known as Yazid I, was the second Caliph of the Umayyad Caliphate . He ruled for three years from 680 CE until his death in 683 CE. Many Muslims condemn Yazid's rule as contentious and unjust...

, the Umayyad

Umayyad

The Umayyad Caliphate was the second of the four major Arab caliphates established after the death of Muhammad. It was ruled by the Umayyad dynasty, whose name derives from Umayya ibn Abd Shams, the great-grandfather of the first Umayyad caliph. Although the Umayyad family originally came from the...

 caliph

Caliph

The Caliph is the head of state in a Caliphate, and the title for the ruler of the Islamic Ummah, an Islamic community ruled by the Shari'ah. It is a transcribed version of the Arabic word   which means "successor" or "representative"...

, whom Husain had refused to recognise as caliph. Husain and all his supporters were killed, including Husain's six months old infant son , and the women and children were taken as prisoners.