The Roman calendar gave way to the Julian calendar in 45 BC, which was pushed aside by the Gregorian calendar in 1582. Now, in 2012 comes the first major calendar debut of the 21st century.
Help the world drop the relic known as the traditional wall calendar and step into the future with the Periodic Calendar!
Meanwhile, stay tuned as the Periodic Blog starts Monday, December 3rd, or as it will soon be known, Element 404!