Complex sentence: In October 1964, the organization declared its position in a congratulatory message on the occasion of the 15th anniversary of the foundation of the People's Republic of China, and the following month a group of Thai communists formed the Thailand Independence Movement in Peking, China.
Split into simpler sentences: In October 1964, its position as was declared in a congratulatory message on the occasion of the 15th anniversary of the People's Republic of China. In November 1964, a group of Thai communists formed the Thailand Independence Movement in Peking, China.