Dated events from published cases, in chronological order. Dates keep their real precision; a period filter includes any event whose date range overlaps it.
7 events.
· Conflict episode
The IRA waged a guerrilla war against British Crown forces from January 1919 to the July 1921 truce; published casualty figures vary, with roughly 491 IRA and 506 Crown Force deaths cited alongside 919 civilian deaths logged across the wider 1917-1921 period.
In: Ireland
· Declaration
A short-lived, unrecognized Ingrian Finnish breakaway state on the Karelian Isthmus, ended by the Treaty of Tartu.
In: Ingria
· Declaration
A short-lived unrecognized monarchy under Uzun-Hajji claiming authority over Dagestan and the wider North Caucasus during the Russian Civil War.
· Agreement
South Africa received a League of Nations mandate over South West Africa on 17 December 1920 and, after refusing to place the territory under UN Trusteeship following the Second World War, continued to administer it; the International Court of Justice ruled in 1971 that this continued occupation was illegal.
In: Namibia
· Constitutional change
The Polish Sejm granted the newly formed Silesian Voivodeship a broad autonomy statute, including its own parliament.
· Agreement
The peace treaty with the Ottoman government provided for Kurdish local autonomy and a conditional route to independence; it never took effect.
· Other
A Naqshbandi-led uprising against Soviet rule that briefly controlled much of mountainous Dagestan before being suppressed.