Short answers, pulled from the story.
Ahmad Nizam Shah I chose a battlefield site to establish Ahmednagar in 1494 after defeating superior Bahamani forces. Contemporary chronicler Sayyid Ali b Aziz Allah Tabatabai described the event as an auspicious day where surveyors and architects obeyed the king's commands.
Mughal emperor Aurangzeb spent his final years from 1681 to 1707 fighting in the Deccan region and died in Ahmednagar. He was buried at Khuldabad near Aurangabad with a small monument marking the site.
Ahmednagar hosts the Indian Armoured Corps Centre and School where training and recruitment occur alongside the Mechanised Infantry Regimental Centre. The town houses the second-largest display of military tanks globally and the largest in Asia within a Cavalry Tank Museum containing an extensive collection of 20th-century armoured fighting vehicles.
The city sits within the rain shadow region of the Western Ghats mountains where monsoon rainfall averages less than a third of what Mumbai receives annually. It is about one-tenth of the precipitation found in Mahabaleshwar on the mountain crest creating hot semi-arid conditions year-round.
On the 31st of May 2023, Eknath Shinde announced that Ahmednagar would be renamed Ahilya Nagar to honor Ahilyabai Holkar who was Rani of Indore within the Maratha Confederacy in the late 18th century. The Maharashtra state cabinet approved the renaming on the 13th of March 2024 and the state revenue and forest department notified the change on the 4th of October 2024.