Step 1: Understanding the Kalinga War.
The Kalinga War was a significant conflict fought by Ashoka, the Mauryan emperor, in 261 B.C. It was a bloody war in which Ashoka's forces defeated the state of Kalinga (modern-day Odisha). However, the immense loss of life and suffering during the war deeply affected Ashoka, leading him to adopt Buddhism and promote non-violence.
Step 2: Analyzing the options.
(A) 347 B.C.: This is incorrect. The Kalinga War took place much later than this.
(B) 261 B.C.: Correct. The Kalinga War occurred in 261 B.C., and it had a profound impact on Ashoka's rule.
(C) 205 B.C.: This is incorrect. The Kalinga War occurred earlier, in 261 B.C.
(D) 183 B.C.: This is incorrect. The Kalinga War occurred much earlier than this.
Step 3: Conclusion.
The Kalinga War took place in 261 B.C.. Therefore, the correct answer is (B) 261 B.C.