National Unity Day 2020 marks the 145th birth anniversary of Sardar Vallabhbhai Patel. Since 2014, it is celebrated on October 31, to honour the freedom fighter, and later a politician who played a major role in the integration of India. To observe the day, we bring you National Unity Day 2020 greetings, messages, wishes and more to celebrate and honour Sardar Vallabhbhai Patel.