In 1824.
he invented it when he invented braille.
the Greek's invented the alphabet and know it is close to the one we have now
The ancient Phoenicians invented the alphabet at around 1000 B.C.
braille alphebet was invented for blind people to touch and read everything
Well, It was not a black man who invented the 'Toilet' The man who inveted the 'Flushing Toiled' Was 'Thomas Crapper'
J. T awston invented the helicopter (black male)
He wasn't black, he was Asian.
A periscope
Otis
attorney alphabet man accountant alphabet man astronaut alphabet man alltel agent alphabet man busdriver...lol
The first man invented sharp things is Black Smith
Henry Burden
A black man...
John Standard(a black man)
No. In 1801 a Scottish man invented the blackboard. Your question smacks of racism.
The concept of a purely phonetic alphabet was invented by the Phoenicians, sometime prior to 1050 BCE.