- Apollo 18 was the first of the three moon missions to be cancelled.
- There are 18 steps to the sanctum sanctorum in Sabarimala, denoting the 18 weapons Lord Ayyappa is said to have used to destroy evil.
- 18 is the atomic number of Argon.
- There are 18 books in the Mahabharata, and 18 chapters in the Bhagavad Gita.
- The 18-day Kurukshetra war is between 18 armies.
- Joseph Heller’s book was originally titled Catch 18.
- 18 is the code word for Adolf Hitler (AH).
- The number on Virat Kohli’s shirt is 18.
- The 18th Olympic games were held in Tokyo.
- The Peshwas surrendered to the British in 1818.
- John Keats wrote ‘A thing of beauty is a joy forever’ in 1818.