Every year August 22 is observed as Madras Day to commemorate the founding of Madras city in Tamil Nadu on the same day in 1639. Madras Day 2023 marks the 384th anniversary of establishment of the city.

• The city of Chennai turns 384 years old day and the foundation day of the city known as Madras Day is observed on August 22 in order to celebrate the deep heritage and cultural significance of this great city. 
• The Madras Day celebrations in the city include dance and music concerts, poetry, heritage walks, school exchange programmes, photo exhibitions, food fests and vintage car and bike rallies along with many more events.
• Over the years, the celebrations for the Madras Day have become much bigger.
• This year, over 75 events are being organized to celebrate the Madras Day . Of these, over 15 Heritage Walks and 20 Talks are to be held across the city.