Hajj: A timeline of disasters at annual Muslim pilgrimage since 1975

Here are some other fatal events at hajj in past years.

The Hajj stampede which occurred in Mina, Saudi Arabia on Thursday, September 24, 2015, has claimed 717 lives.

Bilikisu Yusuf, first female editor in northern nigeria, Professor Tijjani El-Miskin, the Chairman of the Borno State Pilgrims Board, and a member of the Nigerian medical team, Dr Hafsat Shittu have been confirmed dead by saudi officials.

More than 300 pilgrims were killed in a crush at hajj on Thursday, the deadliest such incident since 2006.

Here are some other fatal events at hajj in past years.

December 1975 - A cooking gas cylinder explodes in the pilgrim tent city, causing a fire that kills over 200 pilgrims.

July 1987 - Iranian protesters clash with Saudi police, leading to the death of more than 400 Iranian pilgrims.

July 1990 - Inside the al-Muaissem tunnel near Mecca in Saudi Arabia, 1,426 pilgrims are crushed to death. The accident occurs on Eid al-Adha (The Feast of Sacrifice), Islam's most important feast at the end of the haj and the day of the "stoning of the devil" ritual.

Read: Nigerian female journalist killed in stampede, many other citizens affected in tragedy

May 1994 - A stampede near Jamarat Bridge in Mina, near Mecca, kills 270 in the area where pilgrims ritually stone the devil.

April 1997 - 343 pilgrims are killed in a tent fire at the haj camp at Mina, prompting the government to construct a permanent, fireproof tent city there.

April 1998 - One hundred and nineteen Muslim pilgrims are crushed to death in Saudi Arabia at the Haj.

Read: World reacts to deadliest incident since 1990

February 2004 - A stampede kills 251 Muslim pilgrims in Saudi Arabia near the Jamarat Bridge during the stoning of the devil.

January 2006 - Some 362 Muslim pilgrims are crushed to death at the eastern entrance of the Jamarat Bridge during the stoning ritual.

September 2015 - A crane crashes into the Grand Mosque days before haj begins, crushing 111 people to death. +

September 2015 - A crush of pilgrims travelling from the camp at Mina to the Jamarat bridge kills at least 310, Saudi civil defence says.

September 2015 - The Hajj stampede which occurred in Mina, Saudi Arabia on Thursday, September 24, 2015, has claimed 717 lives and is the deadliest since 1990.