When not performed during Dhu al-Hijjah, this event is known as an Umrah.  
This event makes use of a garment consisting of two sheets of unhemmed white cloth known as the ihram.  One rite during this event is performed from Jamaraat Bridge.  The Tawaf ritual during this event is centered on an object covered with the kiswah, and during this event its performers descend Mt. Arafat to celebrate Eid al-Adha.  When not performed during Dhu al-Hijjah, this event is known as an Umrah.  During this event, people drink from the Well of Zamzam, perform the stoning of the devil, and walk around the Ka'aba seven times.  FTP, name this pillar of Islam, a pilgrimage to Mecca.
This event makes use of a garment consisting of two sheets of unhemmed white cloth known as the ihram.  
Hajj