Calendar: Did you mean...?

The Ulm Campaign (25 September to 20 October 1805) was a military operation during the War of the Third Coalition (1805-1806). Through a series of maneuvers, the 210,000 men of the French Grande Armée, led by Emperor Napoleon I, encircled...

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.

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...

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...

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 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 Han Dynasty (202 BCE - 220 CE) was the second dynasty of Imperial China (the era of centralized, dynastic government, 221 BCE - 1912 CE) which established the paradigm for all succeeding dynasties up through 1912 CE. It succeeded the...

The Zhou Dynasty (1046-256 BCE) was among the most culturally significant of the early Chinese dynasties and the longest lasting of any in China's history, divided into two periods: Western Zhou (1046-771 BCE) and Eastern Zhou (771-256 BCE...

Christianity is the world's largest religion, with 2.8 billion adherents. It is categorized as one of the three Abrahamic or monotheistic religions of the Western tradition along with Judaism and Islam. 'Christian' is derived from the Greek...