History has it marked in stone, the first Fax was sent in 1964
New timeline: The first Fax was sent back in 1846
The first commercial fax, was introduced by Xerox in 1964.
Alexander Bain filed a patent in 1843 to transmit an image over wires. He built a machine which did this in 1846. There’s a lot to read about this if you are further interested, or else if you’re just totally out of other interests to pursue…