गाई जात्रा

Gai is cow and Jatra is Procession (Festival).

Gai Jatra festival, the procession of cows, generally falls in the month of Bhadra, which correspond to English calendar months of  August/September. 

This year Gai Jatra is on August 30, 2015. That is on Bhadra 13, 2072 BS. 

The festival of cows is one of the most popular festivals in Nepal. It is said people in ancient time started worshiping Yamaraj,"the god of death" on this day. 

However, the modern form of celebration of Gai Jatra came into existence in the medieval period of Nepal during the reign of Malla Kings. The present form of Gai Jatra with humorous acts, parody, comedy and was started by then King of Kathmandu Pratap Malla. He made Rani Pokhari (Pond) in the heart of Kathmandu and build a temple in the middle of the same 

pond.