Desk rack bird

When did wheelchair ramps at public buildings appear for the first time? - used wheelchair ramps

When the elevators, buses, cars and all these things for people with physical disabilities in your country? It is the construction of ramps or rails of the ladder from one object to the law? I am from Russia, people have again used here in its entirety neglected this problem. I need your responses to the struggle for the rights of Russians begin with disabilities.