1846
Medicine
United States
Surgical anaesthesia
Ether demonstrated publicly at Massachusetts General Hospital.
Why it mattered
Surgery became survivable and, eventually, unhurried and precise.
Industrial Age
1846
2 recorded milestones at this point in the record.
1846
Technology
United States
Sewing machine
Elias Howe's lockstitch machine, refined by Singer, mechanised stitching.
Why it mattered
Freed households from endless hand sewing and created ready-made clothing.
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