context: The Banteng Division IX Command is a military command formed during the war of independence (1945 - 1950) in Central Sumatra whose operations cover four provinces now, namely West Sumatra, Riau, Jambi and the Riau Islands. The Banteng Division IX Command had a large army due to the existence of the Officer Education School in Bukittinggi, whose establishment was initiated by Japanese educated officers during the occupation, even one of the troops, Regiment 6, was considered the best in Sumatra. [1]
question: When was the Bull IX Division Command formed?
answers.text: 1945