evidence: The territory of the People's Republic of China (PRC) has frequently been revised since its formation on 1 October 1949. [...] 2000–2009 [edit]- 14 October 2004 – 2 June 2005, a treaty establishing the eastern border between China and Russia was signed by China and Russia. It's said China "regained 337 km2" territory. See Russian article: Демаркация российско-китайской границы (2005); Chinese article: 中华人民共和国和俄罗斯联邦关于中俄国界东段的补充协定. [...] See also [edit]- Land reclamations of the People's Republic of China - Borders of China - Territorial disputes of the People's Republic of China