The different periods with their time period is mentioned below:
- The Ancient Period (Begining to 935 BS)
- The Medieval Period (935 BS - 825 BS)
- The Modern Period (1825 onwards)
Ashoka was the emperor of India. He visited Nepal during the period of Kirant. He built four stupas in Patan and also built the Ashoka pillar in Lumbini.
The contribution that are made by Mandev and Amshuverma are:
Mandev: He built the 'Mangriha Bhavan' to run the administrative works. He also made the first coin of Nepal and named 'Mananka'.
Amshuverma: He also built the 'Kailashkut Bhavan' and conducted the administrative works. He had written the grammar book in Sanskrit.
Gopal dynasty is the first dynasty to rule over Nepal. Bhuktaman was the first king of Gopal dynasty. Eight Gopal kings ruled over Nepal for 521 years. They established Pashupatinath and worshipped him.
After defeating the Gasti, the Lichchhavis started to rule over the country. They came from the Vaishali (India). Mandev, Amshuverma, Shivdev and Narendradev were some of the famous kings of Lichchhavis. Mandev built the Mangriha to run the administrative works. He also made the first coin in the history of Nepal called 'Mananka'. Amshuverma was the great king of Lichchhavi in the history of Nepal. During the rule of Shivadev, He was appointed as the 'Mahasamanti'. After the death of Shiva Dev he became the King. He built 'Kailashkut Bhavan' in his period of rule.He had also written a grammar book in Sanskrit. He was a good administrator. He maintained the good relation with India, China and Tibet. The Lichchhavis were rich in art, culture and philosophy. They made the all roupnd progress in the history of Nepal. So, their age is also known as the 'Golden Era' in the history of Nepal.