In 400 B.C. Hippocrates (ancient greek) perscribed bark and leaves of willow trees to relive pain and fever.
Crawling
bikes
Buttons.
benches
pickaxes
Shoelaces were invented long before people bothered to keep records of such things.
Before the refrigerator was invented, people used iceboxes, which were essentially big coolers with a block of ice. Even before that, food was preserved by salting, curing, smoking, drying, and canning.
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horses or their feet.
Brief case
wall sockets
Hores and bikes