1620 AD.

The First Danes factory at Tranquebar was established in 1620 AD.

The first Danish factory in India was established at 1620 AD.

The first English factory in India was established at 1620 AD.

The reign of the Sisodia ruler Amar Singh I end in 1620 AD.

The Reign of the Sisodia ruler Amar Singh I’s was from 1597 AD to 1620 AD.

The reign of the Sisodia ruler Karan Singh II start from 1620 AD.

The Reign of the Sisodia ruler Karan Singh II’s was from 1620 AD to 1628 AD.