Complex sentence: On 30 April 1969, the Working Committee for Nuclear Issues (AAA) was created, and met 27 times between 26 September 1969 and 25 October 1988.
Split into simpler sentences: On 30 April 1969, the Working Committee for Nuclear Issues (AAA) was created. It met 27 times between 26 September 1969 and 25 October 1988.