Where is the famous Virupaksha temple located?

Where is the famous Vijaya Vitthal Temple, having its 56 carved pillars emitting musical notes located?

The Nayankara system is associated with

Which famous war took place in 1565 AD?

Sayana, the famous commentator of the Vedic texts, flourished during the reign of :

In 1336 A.D. who had established the Vijayanagar empire?