[October 20th, 1921] Charles IV makes a second attempt at restoration in Hungary. He flies with his family to Sopron, where he is expected by troops under Julius von Ostenburg-Morawek. The march to Budapest is delayed, however, which gives Horthy time to also gather troops.
from /r/100yearsago
[1921年10月20日] 查理四世第二次尝试在匈牙利复辟。他带着家人飞往索普伦，朱利叶斯-冯-奥斯滕伯格-莫拉韦克领导的部队在那里等他。然而，向布达佩斯的进军被推迟了，这使霍尔西也有时间来集结军队。