Is All I Learned in History Class A Lie?

I love watching the TV Shows, Mystery at the Museum, Mystery at the Castle, and Mystery at the Monument. After watching those shows I am convinced half of the History books are chock full of lies and misapplied information.

Alexander Graham Bell did not create the telephone, what? He was a thief. A man named Antonio Meucci created it. https://en.wikipedia.org/wiki/Antonio_Meucci

Jackie Robinson was not the first African American pro-baseball player. A man named Moses Fleetwood Walker was. https://en.wikipedia.org/wiki/Moses_Fleetwood_Walker

Christopher Columbus may have been about 100 years behind a Scottish clan in reaching America.

There are so many more I have seen on there that have made me do research and I am appalled that these inaccuracies aren’t told to the public or History books aren’t updated. I mean I feel like I’ve been duped by History books and History teachers.

So from now on no matter how crazy people think I am, I am going to say Antonio Muicci created the telephone and Moses Fleetwood Walker was the first African American pro-baseball player and that the Clan Gunn found America 100 years before Christopher Columbus.

So inaccuracies in History beware for I intend to find the truth and use the accurate information, lol!