Ganesh Chaturthi was 1st celebrated when the Chalukya, Satavahana & Rashtrakuta dynasties ruled between 271 BC and 1190 AD.
However, the first historical record of Ganesh Chaturthi celebration dates back to the era of Chhatrapati Shivaji Maharaj.1/6
The tradition was taken forward by the #Peshwas.
In 1818 the last Peshwa was defeated by the britishers in the 3rd battle of Panipat. 2/6