The actual date is still disputed. Some scientists date it back to 100,000 years ago, when "Homo Sapiens"- modern human ancestors - were starting to migrate from their origin East Africa to out of Africa towards Asia and Europe. But some other, date it as far back as 650,000 years ago, worn by primates.
In either case, their clothing consisted of animal fur, leaves and bones.
Sometime just after the Garden of Eden.
Galileo was the original who introduced of the concept of inertia.
Yes, the concept of cashless policy was introduced in NIGERIA.
Michael Faraday first introduced the concept of electric fields/
Costa Rica introduced the concept of ecotourism.
The concept of the Festivus pole was introduced by the writter Dan O'Keefe. He claimed his family used the concept as early as 1966 but it was introduced to the world through the show Seinfeld in 1997.
nixon
Weber
The concept of four elements (earth, water, air, fire) was introduced by the ancient Greeks, particularly by the philosopher Empedocles in the 5th century BCE. He believed that these elements were the building blocks of all matter in the universe.
Costa Rica introduced the concept of eco-tourism to the Caribbean region.
Satch Regan
India
Bangladesh