Prehistory – c. 8th c. BCE
आदि नेपाल
Myths & the Dawn
राजाहरूभन्दा पहिले — देवता, ताल र पहिलो बासिन्दा
Before any dynasty ruled, the valley was a sacred lake and the mountains hid the earliest humans. This is the age of Manjushri and the lotus of Swayambhu, of the Shakya clan that produced the Buddha, and of the first stone tools in the Himalaya.
Kathmandu valley was a lakeLumbini — Buddha's birthplaceMustang sky cavesThe name 'Nepa' in ancient records
2 Chronicles in this era

Mythic prehistoryपवित्र ताल — उपत्यकाको जन्म
The Sacred Lake: How the Valley Was Born
Every Nepali schoolchild knows the story: the Kathmandu Valley was once a lake, drained by the sword of Manjushri. The astonishing part is how much of it geology confirms.

c. 100,000 BP – 249 BCEबुद्धको भूमि — लुम्बिनी, शाक्य र आदि नेपाल
Buddha's Land: Lumbini, the Shakyas and Prehistoric Nepal
Long before the valley's dynasties, the Terai plains held the Shakya republic where the Buddha was born, the high caves of Mustang held the first Himalayan mummies — and an emperor's pillar in 249 BCE fixed Lumbini on the map of history forever.
Proofs & Sources for this Era
गोपाल वंश