The Battle of Siffin was fought during whose era?

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The Battle of Siffin was fought during whose era? Answer: Hazrat Ali (RA)

The Battle of Siffin was fought in 37 AH (657 CE) during the caliphate of Hazrat Ali (RA) between the forces of Hazrat Ali (RA) and Muawiya ibn Abi Sufyan. It was one of the major events of the First Fitna (civil war) in early Islamic history.

Question context

This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the Military Engineer Services (MES) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.