Arba'in pilgrimage

Arba'in pilgrimage
Arba'in pilgrims near the shrine of Husayn ibn Ali, grandson of the Islamic prophet Muhammad and the third Shia imam
Status	Active
Genre	Religious gathering
Date(s)	Arba'in (twentieth of Safar)
Frequency	Annually
Location(s)	Karbala, Iraq
Participants	Shia Muslims

Part of a series on Shia Islam
Beliefs and practices Monotheism Holy Books Prophethood Succession to Muhammad Imamate Ismaili Twelver Zaydi Angels Judgment Day Mourning of Muharram Intercession Clergy The Four Companions Arbaʽeen Pilgrimage
Days of remembrance Ashura Arba'een Mawlid Eid al-Fitr Eid al-Adha Eid al-Ghadir Mourning of Muharram Omar Koshan
History Verse of purification Two weighty things Mubahala Khumm Fatimah's house First Fitna Second Fitna Battle of Karbala Origin Persecution
Branches and sects Ja'fari Akhbari Usuli Shaykhi Zaydi Houthi Isma'ili Musta'li Tayyibi Dawoodi Bohra Progressive Hebtiahs Bohra Atba-i-Malak Bohra Sulaymani Bohra Alavi Bohra Qutbi Bohra Hafizi Nizari Khoja Satpanth Ghulat Alawi Alevi Bektashi Bektashism and folk religion Qizilbash Ishiki Extinct Shi'a sects
Ahl al-Kisa Muhammad Ali Fatima Hasan Husayn
Holy women Fatima Khadija bint Khuwaylid Umm Salama Zaynab bint Ali Umm Kulthum bint Ali Umm al-Banin Fatima bint Hasan Ruqayya bint Husayn Rubab Shahrbanu Fatima bint Musa Hakimah Khātūn Narjis Fatimah bint Asad Umm Farwah bint al-Qasim Ruqayya bint Ali Sayyida Nafisa
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The Arba'in pilgrimage is the world's largest annual public gathering. It is a pilgrimage to the shrine of Husayn ibn Ali, grandson of the Islamic prophet Muhammad and the third Shia imam. Every year, on the twentieth of Safar, also known as Arba'in, millions of pilgrims flock to Karbala, Iraq, often arriving there on foot from the nearby city of Najaf. Arba'in marks forty days after the tenth of Muharram, known as Ashura. On this day in 61 AH (680 CE), Husayn was killed, alongside most of his relatives and his small retinue, in the Battle of Karbala against the army of the Umayyad caliph Yazid ibn Mu'awiya (r. 680–683). The battle followed Husayn's refusal to pledge his allegiance to Yazid, who is often portrayed by Muslim historians as impious and immoral. In Shia Islam, Karbala symbolizes the eternal struggle between good and evil, the pinnacle of self-sacrifice, and the ultimate sabotage of Muhammad's prophetic mission. 

Forty is a sacred number in Islam, and the Arba'in pilgrimage is an early Shia tradition popularized by the Shia imams. In recent times, the Arba'in pilgrimage was banned by the Iraqi president Saddam Hussein, but rapidly grew after his deposal in 2003 from two million participants in that year to around twenty million in 2014. Nevertheless, the voluntary Arba'in pilgrimage remains largely unknown in the West, even though it is far larger than Hajj, the obligatory Muslim pilgrimage.As with Ashura, Arba'in can be an occasion for violence against Shia Muslims. During the pilgrimage, free meals and accommodation are provided by volunteers.