Clues people have sent in:
ashton: 01.10.01 See also: May 1, 1981 & May 1, 1982:
All say: Mao zhu xi wan sui Mao chairman ten-thousand years of age. (i.e., "long live chairman Mao!") I've seen the same thing in some of the early 80 pages. These three are all written in simplified characters found on the mainland (whereas in Taiwan and Hong Kong they use the complete, traditional, before-the- Communist characters).S.K. 05/25/2014
Is there any significance to 1984 not too have a coma between Mayday and the year?