Operation Blue Star was launched exactly 31 years ago on 1 June, 1984.
Operation Blue Star was the codename used for Army action against the militants who had captured Golden Temple.
The operation continued from June 1 to 6.
The army entered the Harmandir Sahib complex on the orders of the then Prime Minister Indira Gandhi. The operation was launched to eliminate Sikh militants who were amassing weapons in the Golden Temple.
At the time of the operation, nearly 100,000 Army troops were deployed throughout Punjab.
Here are 10 interesting facts one must know about the Operation Blue Star:
1. The root can be traced from the Khalistan Movement, started in the early 1940's and 50's. It was a political Sikh separatist movement that wanted to create an independent state for Sikh people. The movement was at its peak in the 1970s and 1980s.