The Internal Western Outland Revolutionary Organization (bulg. Вътрешна западнопокрайненска революционна организация), IWORO, was a Bulgarian revolutionary organization active in the Western Outlands in Serbia between 1921 and 1941 [1]. The state of Bulgaria (България transliterated bg-Latn ''Balgaria'' The country preserves the traditions (in ethnic name language and alphabet of the First Bulgarian The Western (Bulgarian Outlands (Западни (български покрайнини Zapadni (balgarski pokraynini) is a term used by Bulgarians to describe Serbia (Србија Srbija) officially the Republic of Serbia (Република Србија Republika Srbija) is a Landlocked Country Year 1921 ( MCMXXI) was a Common year starting on Saturday (link will display full 1921 calendar of the Gregorian calendar Year 1941 ( MCMXLI) was a Common year starting on Wednesday (the link will display 1941 calendar of the Gregorian calendar.
The organization was established in 1921 on the basis of several detachments created straight after the cession of the Western Outlands to Serbia in 1920. Year 1921 ( MCMXXI) was a Common year starting on Saturday (link will display full 1921 calendar of the Gregorian calendar The Western (Bulgarian Outlands (Западни (български покрайнини Zapadni (balgarski pokraynini) is a term used by Bulgarians to describe Serbia (Србија Srbija) officially the Republic of Serbia (Република Србија Republika Srbija) is a Landlocked Country Year 1920 ( MCMXX) was a Leap year starting on Thursday (link will display 1920 of the Gregorian calendar The IWORO initially concentrated on propaganda and delivery of Bulgarian literature. The period of armed resistance started in 1922 and the organisation carried out numerous assaults on the Tzaribrod–Belgrade railway, on bridges, Serbian garrisons and barracks until 1941 when the region was occupied by Bulgarian troops. Year 1922 ( MCMXXII) was a Common year starting on Sunday of the Gregorian calendar. Dimitrovgrad ( Serbian: Димитровград Dimitrovgrad, Bulgarian: Цариброд Tsaribrod) is a town and 483 km² large municipality Belgrade (Београд Beograd is the Capital and largest city of Serbia. Year 1941 ( MCMXLI) was a Common year starting on Wednesday (the link will display 1941 calendar of the Gregorian calendar.
Unlike the other three Bulgarian revolutionary organizations active in the interwar period — the Internal Macedonian Revolutionary Organisation in Macedonia, the Internal Thracian Revolutionary Organisation in Thrace and the Internal Dobrujan Revolutionary Organization in Dobruja — IWORO did not put up the tactical slogan demanding autonomy for the region but fought “for the liberation of the Western Outlands and their restoration to Bulgaria”. Macedonia is a Geographical and historical region of the Balkan peninsula in southeastern Europe whose area was re-defined in the early 20th century The Internal Thracian Revolutionary Organisation ( bulg Вътрешна тракийска революционна организация) ITRO, was Thrace (Тракия Trakiya or "Trakija" or Trakia, Θράκη Thráki, Trakya is a historical and geographic area in southeast Europe The Internal Dobrujan Revolutionary Organisation (Вътрешна добруджанска революционна организация Organizaţia Internă Revoluţionară Dobrogeană