The stone has long been an emblem of Mexican identity. Commissioned by the Aztec ruler Moctezuma II (r. 1502–1520), the nearly 12-foot-wide stone was completed during his reign, in about 1511.

Dec. 17 (UPI) --On this date in history: In 1790, the Aztec Calendar, or Solar Stone, was uncovered by workmen repairing Mexico City's Central Plaza. In 1903, Orville Wright made history's first ...

This is a stone carving of Tlazolteotl, an Aztec figure shown giving birth, that is in the collection of Dumbarton Oaks in Washington DC. Photograph by The Washington Post When acquired in 1947 ...

Housed within the facility’s 22 rooms are artifacts, including the famous Aztec Calendar Stone, known as Piedra del Sol, as well as the ancient statue of Xochipilli, the Aztec god of art ...

Housed within the facility’s 22 rooms are artifacts, including the famous Aztec Calendar Stone, known as Piedra del Sol, as well as the ancient statue of Xochipilli, the Aztec god of art ...