According to an article entitled "Origin of the Name of Tibet" posted on the web site of the state-sponsored China Tibet Information Center:
In the Tang Dynasty, the Tibetans called themselves "Bo." The earliest written record of "Tubo" in Chinese can be found in the The Chronicles of Tubo in the New History of the Tang Dynasty. Af first, Tubo referred to the area of present-day Tibet. Later, with the burgeoning of the Tubo Kingdom, the name referred to the area comprised of Tibet, Qinghai, and Xikang. Eventually, the entire Qinghai-Tibet Plateau was called Tubo.According to an article entitled "The Truth About the 1959 Tibet Rebellion" posted on the web site of the Communist Party sponsored China Council for the Promotion of Peaceful National Reunification (中国和平统一促进会):
Shortly after 8:00 am on March 10, 1959, chaos broke out on the streets of Lhasa. People were running around tearfully telling each other, “Go to the Norbu Linkha and protect the Dalai Lama. The Han people are going to take him away.” To the Tibetan people, who are devout Buddhists, this cry was like a bomb going off. Thereupon, people rushed to the Norbu Linkha with their hearts filled with shock, perplexity and terror. They surrounded it in the name of protecting the Dalai Lama, thereby lifting the curtain on armed rebellion. This situation rapidly developed into the full-scale armed rebellion now known as the March 10, 1959 Incident.These screenshots were taken on March 11, 2013, and show that searches for "Tubo Rebellion" (图博抗暴) on Baidu, Qihoo 360, Soso, and Yahoo.cn returned no results, just censorship notices.