[August 3rd, 1921] Russian poet Nikolay Gumilyov was arrested in the Soviet Union by the Cheka secret police on charges of being a monarchist. He was executed along with 60 other defendants on August 25.
from /r/100yearsago
[1921年8月3日] 俄罗斯诗人尼古拉-古米列夫在苏联被契卡秘密警察逮捕,罪名是君主主义者。8月25日,他与其他60名被告人一起被处决。