During the early 1960s, the strength of the Indonesian Communist Party had grown rapidly.
One of the leaders of this movement was Tan Malaka, a member of the Indonesian Communist Party.
China has never admitted its involvement with the Indonesian Communist Party, once the world's largest outside China and the Soviet Union.
He joined the then illegal Indonesian Communist Party in 1943, at the same time as future leader D.N. Aidit.
He arrested officials whose organizations were affiliated with the Indonesian Communist Party (PKI).
President Suharto came to power after the attempted coup, for which the Indonesian Communist Party, then the largest in any non-Communist country, was blamed.
In the days and weeks that followed, the army blamed the coup attempt on the Indonesian Communist Party (PKI).
The Constitutional Court also lifted the restriction on former members of the Indonesian Communist Party to stand as candidates in the legislative election.
He was a member of the Indonesian Communist Party and was also a candidate for the Netherlands' member of parliament.
This coincided with an attempted coup by the Indonesian Communist Party (PKI).