What is 1248?
{{Year nav|1248}} {{Year in various calendars|1248}} {{Year article header|1248}} == Events == * [[Cologne]] Cathedral built. * King [[Louis IX of France]] starts the [[Seventh Crusade]]. He leaves with an army of 20,000 toward [[Egypt]]. * [[Roger Bacon]] publishes the formula for [[black powder]] in [[Europe]]. {{births}} {{deaths}} [[Category:1248| ]]