1815 में माउंट तांबोरा के भीषण ज्वालामुखी विस्फोट से विश्व स्तर पर कौन सी प्रसिद्ध ऐतिहासिक जलवायु घटना घटित हुई थी?

The severe climate abnormalities of 1816, known as 'The Year Without a Summer', were primarily triggered by the major volcanic eruption of which mountain in 1815?