what is the date of eid ul hajj 1964
13th Zil Hajj.
The hajj wasn't built... the hajj is a pilgrimage to Makkah, to now rebuilt/ improved buildings/ region which were there before Islam.
11april2012
What is the date of anant chaturdashi in 1971
navaratri date-1971------21st september
Hajj is the fifth pillar of Islam five pillars. Hajj is pilgrimage to the Allah (God in English) House (called Kaaba) in Makkah (or Mecca) in the Kingdom of Saudi Arabia. Refer to link below for hajj ritual worship.
6 november
It may be called 'pilgrimage' in English.
When was holi in 1971
Hajj is an Arabic word. It is the holy journaey for Muslims. You may call it "pilgramage" but it is a generic term, as any one who is on a holy journey no matter from wihcih religion, they all are call pilgrims and journaey is called pilgramage. So while talking about holy journey for Muslims, its always called Hajj. html you can read more about it here, shorthajj [dot] com
October 18th on 2012