In 1948, when the Indian province of Himachal Pradesh was founded.

Himachal Day is a public holiday in the Indian state of Himachal Pradesh. It is usually observed on the 15th of April. Himachal Pradesh was established as an Indian province on this day in 1948. Dr. B.R. Ambedkar's birthday is generally a gazetted holiday in Himachal Pradesh on April 14th, therefore this is part of a two-day vacation. Himachal Pradesh is a northern Indian state. It is known for its Himalayan scenery and is a popular tourist destination for hiking and enjoying the natural beauty. It borders Tibet.
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