Queen Elizabeth II: Platinum Jubilee
At the age of 25, Elizabeth found herself reigning head of an empire upon which the sun literally never set, comprising some quarter of the globe. The seventy intervening years have seen much change and turmoil, both for Britain and the world at large, but the Queen has been a rock in the stream of time, a stabilizing influence for her people, and an invaluable source of information and experience for her governments over the decades.