For everyone thinking that Hajj being cancelled certainly signifies the end of the world:

A thread on when Hajj was cancelled:

865: Massacre on Arafat Mountain - Hajj cancelled

930: Qarmatian attack - black stone stolen and taken to Bahrain by Ismaili Shia sect, Hajj cancelled for 10 years.

983: Abbasid and Fatimid Caliphates - politics getting in the way of pilgrims - Hajj cancelled for 8 years.

1831: Plague - Plague from India kills 3/4 of the pilgrims in Makkah.

1837-1858: Series of epidemics - Plague in 1837 stopped Hajj for 3 years until 1840, 1846 - Cholera outbreak killing 15,000 people from Makkah, further outbreak in 1858, cancelled hajj for a total of 7 years.

Also sources:
https://www.middleeasteye.net/news/coronavirus-saudi-arabia-muslims-hajj-cancel-pilgrim

https://www.middleeasteye.net/news/coro... href=" https://themuslimvibe.com/muslim-current-affairs-news/a-brief-look-at-when-hajj-was-cancelled-in-history">https://themuslimvibe.com/muslim-cu...

Plagues, politics and conflict: Hajj cancellations over the centuries

Coronavirus may see pilgrimage scrapped for the first time since the founding of Saudi Arabia, but 2020 will join a long list of years that have missed the annual event

https://www.middleeasteye.net/news/coronavirus-saudi-arabia-muslims-hajj-cancel-pilgrim