The Sino-Indian War of 1967, also known as the Nathu La and Cho La incidents, (1 – 10 October 1967) were military conflicts between India and China in the Himalayan Kingdom of Sikkim, then an Indian protectorate. The Chinese People's Liberation Army infiltrated parts of Sikkim on 1 October 1967, but was repulsed by the Indian Army by 10 October. During the Cho La and Nathu La incidents, Indian losses were 88 killed in action and 163 wounded, while Chinese casualties were 340 killed in action and 450 wounded.