Updated Jan 15, 2021 | 06:33 IST It marks the day when Lt Gen KM Carriappa took over as commander-in-chief of the Indian Army from General Francis Butcher, the last British commander-in-chief of India, in 1949. Representational Image. | Photo Credit: Twitter Key Highlights Military parades are organized at various Army command headquarters To mark Army Day in 2021, the Indian Army has also organized a marathon – Vijay Run India is celebrating its 73rd Army Day today. All Army Command headquarters celebrate Army Day to commemorate the country's soldiers. Here is all you need to know about this annual celebration. Why is Army Day celebrated? It marks the day when Lt Gen KM Carriappa took over as commander-in-chief of the Indian Army from General Francis Butcher, the last British commander-in-chief of India, in 1949. It essentially marks the beginning of the Indian Army as we know it today. Apart from this day, it is also meant as a day to honour those soldiers who have sacrificed their lives for India.