*ahem*
That only fits two requisites. Those are not really historical lol.

Jimmy Page plays guitar onhttp://www.youtube.com/watch?v=U9zxj4RE0O8 from 1966.

Most of the templars were wiped out on a friday... the 13th by a french king... I forget his name... Though, some historians claim that not all were killed... Even think they fled to other countires... Me, I think that if you've got an order such as the Knights Templar... it would be pretty hard to kill them in one swift blow.

There was greater technological development in the 'Dark Ages' than in the 2000 years that preceeded them.

Ancient and Medieval peoples did not believe the Earth was flat, they knew it was spherical.

Vikings didnt wear horns on their helmets.

Nero didn't fiddle while Rome burned, he was in fact 30miles away at the time of the fire before rushing back to aid in relief efforts.

Mussolini didnt make the trains run on time, most of the work was done before 1922.

The Great Library of Alexandria wasn't burned for possessing supposed pagan texts. Suggested culprits for the destruction of the library range from Julius Caesar (during his war with Pompey) to the Emperor Aurelian to General Amr ibn al'As.

Cleopatra was Greek, not Egyptian.

The Inquisition was no-where near as deadly or widespread as modern culture suggests. It's now believed that less than 2000 people would have been executed during it's entire existance. The Papacy itself actually spoke out against the Spanish Inquisiton at times.

Magellan never circumnavigated the globe. He died halfway, leaving the task to be completed by his second in command Juan Sebastian Elcano.

Captain Cook didn't discover Australia, nor was he a Captain when he first landed here. The Dutch had known about the existance of Australia for years beforehand.

George Washington wasnt the first American President. That honour belongs to Peyron Randolph, the first President of the Continental Congress.

America wasn't originally discovered by Christopher Columbus, there are documents that point to the lands being found by the Romans, there are old Viking artifacts to be found along the East coast as well as Asians that came across centuries before Columbus