Gupta
The Gupta Empire was an ancient Indian empire that flourished from the late 3rd to the mid-6th century CE, originating in the Magadha region and extending control over much of northern and central India along with portions of the south, marking a era of exceptional progress in mathematics, astronomy, literature, sculpture, and governance often designated the Golden Age of classical Indian civilization.[1][2]Chandragupta I established the imperial foundation around 320 CE by consolidating power through marriage to the Lichchhavi princess and territorial expansions, setting the stage for successors like Samudragupta, whose military campaigns incorporated the eastern Ganges plain and southern kingdoms via conquest or tribute.[1] The empire attained its zenith under Chandragupta II in the late 4th to early 5th century, whose reign emphasized cultural patronage, including the assembly of the Navaratnas or "nine gems" of scholars such as the poet Kalidasa, whose works like the Shakuntala exemplified refined Sanskrit drama and poetry.[1][2]
Scientific innovations defined the period's intellectual legacy, with mathematicians perfecting the decimal place-value system and the numeral zero, while astronomer Aryabhata advanced theories on the Earth's sphericity, daily rotation, and heliocentric orbit, alongside calculations of pi to four decimal places.[1][2] Artistic expressions in sculpture and architecture conveyed serene idealism, evident in Buddhist and Hindu icons from sites like Sarnath, and the empire supported educational hubs such as Nalanda University under Kumaragupta I, promoting advancements in medicine including surgical techniques and metallurgy.[1][2] Administratively, the Guptas maintained a decentralized structure with direct rule over core provinces and vassal kingdoms paying tribute, bolstered by agricultural surplus, internal trade, and Silk Road connections that enhanced economic stability.[1] Decline accelerated after the mid-5th century amid feeble rulers, fiscal strains, and disruptive invasions by Central Asian Huns, culminating in fragmentation into successor states by around 550 CE.[1]