On September 27th, 2021, Mexico celebrated the bicentennial of Mexican independence.  There was a big celebration in Mexico City's Zocalo plaza. President Biden sent greetings. A pair of Russian cosmon...

August 13th, 2021, is the 500th anniversary of the Fall of Tenochtitlan, on August 13th, 1521. Tenochtitlan was the capital of the Aztec Empire, a magnificent city on a lake.  It's now called Mexico Ci...