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The expansion and consolidation of the Russian Empire around 1725 marked a fundamental transformation in Russia’s place within Europe and Eurasia. During this period, the Russian state shifted from a relatively inward-looking tsardom into...

A decimal clock manufactured during the French Revolution. Decimal time is measured on the inside of the clock while duodecimal time is on the outside, late 18th/early 19th century.

Aztec Sun Stone, illustration in Antonio León y Gama's Historical and Chronological Description of the Two Stones Which Were Found in 1790 During the Repaving of the Main Plaza in Mexico, 1792. Antonio León y Gama's (1735-1802) work, published...

The Roman Empire, at its height (c. 117), was the most extensive political and social structure in western civilization. Building upon the foundation laid by the Roman Republic, the empire became the largest and most powerful political and...

Gaius Julius Caesar was born 12 July 100 BCE (though some cite 102 as his birth year). His father, also Gaius Julius Caesar, was a Praetor who governed the province of Asia and his mother, Aurelia Cotta, was of noble birth. Both held to the...

The Inca civilization flourished in ancient Peru between c. 1400 and 1533 CE. The Inca Empire eventually extended across western South America from Quito in the north to Santiago in the south. It was the largest empire ever seen in the Americas...

The Bolshevik Revolution occurred on 7 November 1917 (old calendar 25 October) and established a new republic: Soviet Russia. The Bolsheviks were radical socialists led by Vladimir Lenin (1870-1924), whose goal was a fairer society where...

The government of ancient Egypt was a theocratic monarchy as the king ruled by a mandate from the gods, initially was seen as an intermediary between human beings and the divine, and was supposed to represent the gods' will through the laws...

The French Revolution (1789-1799) was a period of major societal and political upheaval in France. It witnessed the collapse of the monarchy, the establishment of the First French Republic, and culminated in the rise of Napoleon Bonaparte...

The Zapotecs, known as the 'Cloud People', dwelt in the southern highlands of central Mesoamerica, specifically, in the Valley of Oaxaca, which they inhabited from the late Preclassic period to the end of the Classic period (500 BCE - 900...