Who put the Indian in Indian openings?

Why, after all, are the Indian openings called "Indian"? Conrad Schormann tried to find an answer to this question and found it in the ChessBase Mega Database. It led him back to a clash of classical and hypermodern theory in old India.

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King's Indian Defense - Chess Pathways

Beat 1.d4 as Black with the King's Indian Defense

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Free Course: King's Indian Defense: Step by Step from NM Robert Ramirez

King's Indian Killer: The Harry Attack – Everyman Chess

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King's Indian Defence II: With G3 - Geller, Efim: 9780713436051 - AbeBooks

The Queen's Indian: Detailed Explanation of an Important and Popular Chess Opening by Jouni Yrjola