 They were the Beijing Planetarium, the Memorial of the War to Resist US Aggression and Aid Korea in Dandong, the Chinese Navy Museum in Qingdao, and the Xiamen Overseas Chinese Museum.On 15 November 2012, the SACH announced the second batch of 17 national first-grade museums, including the National Museum of China.On 19 January 2017, the Chinese Museums Association announced the third batch of 34 national first-grade museums including the Beijing Planetarium, which had previously been demoted.