Caste system in ancient india: Did you mean...?

A sepoy was an Indian soldier in the armies of various states and European trading companies in the Indian subcontinent and then, from the second half of the 19th century, in the British Indian Army. Recruited from many different population...

The Portuguese Empire was established from the 15th century and eventually stretched from the Americas to Japan. Very often a string of coastal trading centres with defensive fortifications, there were larger territorial colonies like Brazil...

The Shushtar Hydraulic System is a Sasanian era (3rd century CE) water irrigation system in Shushtar in Iran that included watermills, dams, tunnels and canals. The mills, one of which is still functioning, were used to grind wheat and barley...

The entrance to the water system at Tel Gezer in central Israel. This photo was taken during the 2011 excavations of the water system by the New Orleans Baptist Theological Seminary. The water system is believed to have been built during...

The Arthashastra is an Indian treatise on politics, economics, military strategy, the function of the state, and social organization attributed to the philosopher and Prime Minister Kautilya (also known as Chanakya, Vishnugupta, l. c. 350-275...

Vasco da Gama (c. 1469-1524) was a Portuguese navigator who, in 1497-9, sailed around the Cape of Good Hope in southern Africa and arrived at Calicut (now Kozhikode) on the south-west coast of India. This was the first direct voyage from...

Ancient Egyptian writing is known as hieroglyphics ('sacred carvings') and developed at some point prior to the Early Dynastic Period (c. 3150 -2613 BCE). According to some scholars, the concept of the written word was first developed in...

The Delhi Durbar was a spectacular public event held in India to commemorate the accession of a new British monarch to the title Empress or Emperor of India. Three Delhi Durbars were held: 1877, 1903, and 1911. The event involved military...

A map of the Inca road system which included some 40,000 km of routes.

The underground channel of a qanat in the Turfan water system in the Turpan Depression of Xinjiang, China.