HaHehehihi
WHAT?
What happened in the middle of the 20th century that will not happen again for 4,000 years? – The year 1961. It reads the same upside down. This will not happen until the year 6009.

What is the biggest building in the world? – A library because it has many stories.

What is the center of gravity? – The letter V.

What is the longest word in the English language? – Smiles because there is a mile between
the first and the last letter.