1) The word "yesterday" contains three vowels: E, A, and A.

2) The book series "The Chronicles of Narnia" by C.S. Lewis has sold over 100 million copies worldwide.

3) The ocean covers about 71% of the Earth's surface and contains roughly 97% of the planet's water.

4) The United States recently held its presidential election in 2020, resulting in Joe Biden being elected as the 46th President of the United States and Kamala Harris as the Vice President, making history as the first female Vice President.