>>Here is another one: What happened in Rome, from October 5 to October 14, 1582?
>
>Just a guess, but did it burn? Trying to remember when Nero was in power.
The answer is that nothing happened - those days didn't exist. That was the transition from the Julian Calendar to the Gregorian Calendar - 10 days were skipped to re-adjust the calendar to the seasons (so that, for example, Spring started once again around March 21).
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)