June 14 is Flag Day now, and then.
Flag Day at the Post office building, Pennsylvania Avenue, Washington, D.C.
1923 would see the origins of the "Flag Code", which you can read about here:
This Day in History: The origins of the Flag Code
Indeed, China was doing just that.
It was in the midst of its Warlord Era, during which war and banditry was a constant feature of its existence, with various factions constantly fighting with each other.
On this day, Gao Lingwei became acting head of state.
Overthrown Bulgarian head of state Aleksandar Stamboliyski was tortured and murdered by the Internal Macedonian Revolutionary Organization. He had been a member of the Agrarian Union party.
