5. From the time it was discovered to declassified as a planet, Pluto never completed its full orbit around the sun:
As according to the research information written in the Wikipedia, it was out that Pluto completes one revolution around the sun in 248 years. Later in 1930, Clyde Tombaugh gave the conclusion that it is the dwarf planet as stated by International Astronomical Union in 2006.
6. Nintendo existed in the 19th century:
No matter many people love to play video games, and we give special thanks to the inventor. Nintendo is the game of the 19th century of the playing cards founded by Fusajiro Yamauchi back in 1889. But hundred years later, it released the Nintendo Entertainment System (NES) in North America in 1985.
7. Oxford University in England is older than the Aztec Empire:
The Oxford University is the prominent university, and there is no date out that when it was invented. But then according to some researches made it was out that the teaching documented since 1096 AD. The Aztec Empire founded three city state Mexico started ruling in 1430 AD.