The Dutch tulip mania of 1636-37 is commonly regarded as the world's first and perhaps most colorful speculative bubble. Tulip started warnings, dotted the op-ed pages of broadsheets during the dot-com bubble. Films like tulip fever and Wall Street Money Never Sleeps promote a story of reckless mania. In his 1987 article on bubbles in the new Palgrave, Charles Kindleberger included it as one of the two most famous bubbles in history.