Nikola Tesla
Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist who is best known for his contributions to the design of the modern alternating current electricity supply system.
Ala ud din khilji
ʿAlāʾ ud-Dīn Khaljī, born as Ali Gurshasp, was the most powerful emperor of the Khalji dynasty that ruled the Delhi Sultanate in the Indian subcontinent. Alauddin instituted a number of significant administrative changes, related to revenues, price controls, and society. Born: 1266, Died: January 1316,
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