The party was formed in June 1958 when the
Anti-Fascist People's Freedom League (AFPFL) split in two following internal disputes that had intensified since its January congress; One group was led by
Prime Minister U Nu, which he named the "
Clean AFPFL"; the other was led by
Kyaw Nyein and
Ba Swe and became known as the Stable AFPFL. Although the Stable faction was supported by the larger group of AFPFL members in the
Chamber of Deputies, U Nu was able to continue as Prime Minister due to support from the
National United Front and some of the independent MPs. allowing U Nu to return as Prime Minister. In 1962 U Nu's government was overthrown by a
military coup led by Ne Win. The leadership of the Stable AFPFL refused to co-operate with the
military government, and the party was dissolved. ==References==