1) The Earth's core is hotter than the surface of the Sun.

2) The ancient city of Rome was founded in 753 BC and went on to become one of the most powerful and influential civilizations in history.

3) The world's first stock exchange was established in Amsterdam in 1602.

4) Kim Kardashian West is an American media personality, businesswoman, and socialite. She gained fame through reality television show "Keeping Up with the Kardashians" and has built a successful brand empire encompassing fashion, beauty, and other ventures.