Q. Which historical calendar era, started by King Ishwarsena around the 3rd century CE, was primarily used in Northern Maharashtra and Gujarat?
Answer: Kalachuri era
Notes: Kalachuri era, also called Haihaya era, was established by King Ishwarsena circa 248-250 CE. Originated in Northern Maharashtra and Gujarat, it spread to Madhya Pradesh and Uttar Pradesh. The era was used till the 13th century and sometimes linked historically to Mahismati and Maharaja Subandhu.
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📌 Question Number: 67 in Ancient History of Maharashtra in the above course in App.