Solar system: Did you mean...?

View full lesson: https://ed.ted.com/lessons/how-the-world-s-first-subway-system-was-built-christian-wolmar It was the dawn of 1863 CE, and London's not-yet-opened subway system — the first...

The rapidly expanding 19th-century rail network not only 'annihilated space,' in the parlance of the day, but also altered the definition, use, and perception of time. Moreover, like much else...

The Longshan culture (aka Lung-shan) flourished in parts of late Neolithic northeast China during the third millennium BCE and was an important link in the development of Chinese civilisation from the independent neolithic communities...

Historians and experts examine the American system of racialized slavery and the hypocrisy it relied on to function.

After twenty years of abandonment, and even forty in the case of the branch of La Hijuela, the traditional irrigation system of Barjas was rehabilitated in collaboration...

The Celtic languages form a branch of the Indo-European (IE) language family. They derive from Proto-Celtic and are divided into Continental Celtic languages (Lepontic, Gaulish, Galatian, Noric, Celtiberian...

In this video, the various classes within Roman society, as well as the Conflict of the Orders are discussed.

Western astrology refers to a form of divination based on the motion of astronomical objects such as stars or planets. The belief that astronomical objects are divine or influence events on Earth is found in many cultures, but...

Feudalism was the system in 10th-13th century European medieval societies where a social hierarchy was established based on local administrative control and the distribution of land into units (fiefs). A landowner (lord) gave a fief...

The encomienda was a system where Spanish adventurers and settlers were granted the legal right to extract forced labour from indigenous tribal chiefs in the Americas colonies of the Spanish Empire. In return, the Europeans were expected...