National Unity Day, or Rashtriya Ekta Diwas, is observed in India every October 31 to honor the birthday of Vallabhbhai Patel, a prominent leader known for his efforts to unify the nation post-independence. Established in 2014, the day pays tribute to Patel, often referred to as the "Iron Man" of India. Celebrations typically include a nationwide marathon called the Run for Unity, which was inaugurated by the Prime Minister of India in New Delhi, where he also laid flowers at Patel's statue. Vallabhbhai Patel, born on October 31, 1875, in Gujarat, played a crucial role in organizing peasant movements and was a key figure in the Indian National Movement against British rule. National Unity Day serves to commemorate his legacy and the importance of national integration.