On the website Some Notes on Medieval English Genealogy, Chris Phillips has posted a Julian calender, used in England from the 11th - 16th centuries, and it is organized either by historical year or by regnal year.

What do you get when you mashup an eighth-century Anglo-Saxon poem with a twentieth-century antiwar pop song? A very amusing music video, sort of a "Cliff's Notes" version of the epic tale.

Two thousand years ago, the Greeks built a mechanical computer to calculate eclipse dates with surprising accuracy. A modern-day historian has created a working replica of the device using Lego Technic building blocks.