Madras Day is a festival organised to commemorate the founding of the city of Madras in Tamil Nadu, India. It is celebrated on 22 August every year, 22 August 1639 being the widely agreed date for the purchase of the village of Madraspatnam or Chennapatnam by East India Company factors Andrew Cogan and Francis Day from Damarla Venkatadri Nayaka, the viceroy of the Vijayanagar Empire.
