No African American invented the helicopter. The first practical helicopter was invented by Igor Sikorski, a Russian American.
KK Karanja is a chess player. He is credited as the first African-American chess prodigy. Karanja became a U.S. Chess Federation Candidate Master at age 10.
Who Invented Chess? The inventer of chess is unknown but we do know that it was invented in the 6th century. When chess was invented it was known as "chaturaṅga" which means "Four Divisions"
no but it was improved by African American Sarah Boone
African Chess Championship was created in 1998.
William Painter invented the bottle cap, his patent was granted in 1892. He was American but not African-American.
Augustus Jackson, an African American (yeah I know an African american?)
Percy LeBaron Spencer - he was an American
holla
1000bc
Emperor Yao invented go chess at 2356 B.C.
Xavier Roberts is an African American and invented the first Cabbage Patch Kid doll.