1) The insurance industry is one of the oldest industries in the world, with roots dating back thousands of years.

2) The word "oxygen" contains two vowels: O and E.

3) J.K. Rowling's "Harry Potter" series of books has sold over 500 million copies worldwide and has been translated into 80 languages.

4) The Brexit process, initiated by the United Kingdom's referendum in 2016, led to the country's withdrawal from the European Union in 2020, marking a significant political and economic change for both the UK and the EU.