Solar system: Did you mean...?

Feudalism in medieval Japan (1185-1603) is the relationship between lords and vassals where land ownership and its use were exchanged for military service and loyalty. Although present earlier to some degree, the feudal system in Japan was...

An obelisk is a stone rectangular pillar with a tapered top forming a pyramidion, set on a base, erected to commemorate an individual or event and honor the gods. The ancient Egyptians created the form at some point in the Early Dynastic...

René Descartes (1596-1650) was a French mathematician, natural scientist, and philosopher, best known by the phrase 'Cogito ergo sum' ('I think therefore I am'). He published works on optics, coordinate geometry, physiology, and cosmology...

Roman laws covered all facets of daily life. They were concerned with crime and punishment, land and property ownership, commerce, the maritime and agricultural industries, citizenship, sexuality and prostitution, slavery and manumission...

Henry Clay (1777-1852) was an American lawyer and statesman, one of the defining political figures of his age. Over the course of his several decades on the stage of national politics, Clay helped lead the United States into the War of 1812...

Queen Seondeok (Sondok) ruled the ancient kingdom of Silla from 632 to 647 CE and was the first female sovereign in ancient Korea. Silla was on the verge of dominating the whole of the Korean peninsula and Seondeok helped progress her kingdom...

Among the duties of any Egyptian monarch was the construction of monumental building projects to honor the gods and preserve the memory of their reigns for eternity. These building projects were not just some grandiose gesture on the part...

The gods of the Aztecs (1345-1521 CE) were many and varied and, as with many other ancient cultures, deities were closely associated with things and events important to the culture and the general welfare of the community. These include gods...

Catherine II of Russia (Catherine the Great) was the empress regent of Russia from 1762 to 1796. During the mid-18th century, Russia was still regarded as culturally behind compared to Western European countries. However, during her reign...

The Edo period refers to the years from 1603 until 1868 when the Tokugawa family ruled Japan. The era is named after the city of Edo, modern-day Tokyo, where the Tokugawa shogunate had its government. It is also sometimes referred to as the...