Complex sentence: On 12 March 1944, the Japanese launched the U-Go offensive and invaded India, to be defeated by the Anglo-Indian 14th Army at the Battles of Imphal and Kohima.
Split into simpler sentences: On 12 March 1944, the Japanese launched the U-Go offensive and invaded India. The Japanese weree defeated by the Anglo-Indian 14th Army at the Battles of Imphal and Kohima.