Inside the Red World: 27 Intriguing Facts about Communism

In 1925, Bulgarian communists killed a general in order to gather the government in the church, and detonated a bomb inside the church, killing 150 and injuring 500. The king survived since he was late, after attending the funeral of another general who was killed in an attempt on the king's life.

The Marxist–Leninist Party of the Netherlands (MLPN) was a fake pro-China communist party in the Netherlands set up by the Dutch secret service BVD to develop contacts with the Chinese government for espionage purposes.

To fight a communist insurgency in the Philippines, a CIA operative would drain the blood from captured enemy soldiers through two holes in their neck and leave the corpse to be found to spread rumors of vampire (aswang) attacks.

Of the 139 members elected to the 1934 USSR Central Committee of the Communist Party at the 17th Congress, Stalin had 98 executed. Of 1,996 party members present, 1,108 were arrested, and about two-thirds of those executed. Thus it was given the name "The Congress of the Condemned."

The North Korean Worker's Party criticized China's Cultural Revolution in the 1960s as a "Great Madness, having nothing in common with either culture or a revolution" and called Mao "an old fool who has gone out of his mind", leading to a deterioration of relations between the two countries.

In 1972, a West German businessman, Hans Beierlein, bought the international rights of the Marxist anthem "The Internationale," which was still under copyright. The government of East Germany agreed to pay him royalties for the use of the song.

During the Chinese cultural revolution, the communist party tried to change traffic laws so that red, the color of communism, meant "go" and green meant "stop". Poor party planning led to a massive spike in accidents, and the initiative was pulled.