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Ram Mohan Roy was born in Radhanagar, Hooghly District, Bengal Presidency.His great-grandfather Krishnakanta Bandyopadhyay was a Rarhi Kulin (noble) Brahmin.Among Kulin Brahmins – descendants of the five families of Brahmins imported from Kannauj by Ballal Sen in the 12th century as per popular myth – those from the Rarhi district of West Bengal were notorious in the 19th century for ...
Unknown. Achaemenid coin, an imitation of an Athenian coin type, of the sort found in the Kabul hoard. [5] Around 535 BCE, the Persian king Cyrus the Great initiated a protracted campaign to absorb parts of India into his nascent Achaemenid Empire. [1] In this initial incursion, the Persian army annexed a large region to the west of the Indus ...
Colonial era (1858–1947 CE) Jagadish Chandra Bose laid the foundations of experimental science in the Indian subcontinent. [128] He is considered one of the fathers of radio science. [129] Extent of the railway network in India in 1871; construction had begun in 1856.
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature. [1][2][3][4][5][6] The Scientific Revolution took place in Europe in the ...
v. t. e. The Indo-Aryan migrations[note 1] were the migrations into the Indian subcontinent of Indo-Aryan peoples, an ethnolinguistic group that spoke Indo-Aryan languages. These are the predominant languages of today's Bangladesh, Maldives, Nepal, North India, Pakistan, and Sri Lanka. Indo-Aryan migration into the region, from Central Asia, is ...
Paper is a thin nonwoven material traditionally made from a combination of milled plant and textile fibres. The first paper-like plant-based writing sheet was papyrus in Egypt, but the first true papermaking process was documented in China during the Eastern Han period (25–220 AD), traditionally attributed to the court official Cai Lun.
The global spread of the printing press began with the invention of the printing press with movable type by Johannes Gutenberg in Mainz, Germany c. 1439. [1] Western printing technology was adopted in all world regions by the end of the 19th century, displacing the manuscript and block printing. In the Western world, the operation of a press ...