Thread:TheFluffyLiberal/@comment-681745-20120522113312/@comment-681745-20120603181346

Your article about Christopher Columbus is really good! You've helped improve the wiki so I'll help you find out when people found out that the Earth is round. A Greek philosopher called Eratosthenes achually found that before Jesus was born. I've found a cool video about that.
 * Cosmos - Eratosthenes calculates Earth's circumference