1) The word "flower" contains two vowels: O and E.

2) The world's oldest university, Al-Qarawiyyin, was founded in 859 AD and is located in Fez, Morocco.

3) 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.

4) The European Union (EU) is a supranational organization comprising 27 member states that cooperate on various issues, including trade, economic integration, and common policies, while preserving individual national sovereignty.