Great Laraniem War

The Great Laraniem War (Koxori: Ejokhmour Meghil Laraniemyr; Atharin Aropyan: ; 6 January 1936 – 25 November 1943) was a major international conflict that was fought between the forces of the Atharin Empire and the Laraniem Prosperity Sphere. It began as an independence movement in Indoinastan which rebelled against the forces of Atharia, and escalated through interventions by various nations.

Background
In the early 20th century, western Laraniem was dominated by the Atharin Empire. Originating in present-day Aropya, the Empire conquered vast swathes of territory from the Nehamburh River to the Newbury and Agelsicurie Lakes. Aropya and Down Unian had fallen to its power as vassal states, and a full invasion of Sidramye in 1922 was only stopped by an economic embargo by Hagston, Koxor and Edropia. In 1924, these three countries formed the Laraniem Prosperity Sphere (LPS) to protect against future Atharin aggression, and Sidramye was accepted into the union the following year. Atharia, angered by the sanctions and this coalition against them, invaded Essentei in 1927. Essentei had been weakened by a civil war which had ended the year previously, and Atharin forces swept through the country with little resistance. By the time the LPS had gathered its forces enough to go to war in 1928, Essentei had already surrended. The western half of the country was made a puppet state, adding to the size of the huge Atharin sphere of influence. Three years later, Atharia invaded Indoinastan, the eastern half of which they had conquered in 1915. Again, the LPS went to war, but made little progress before Indoinastan surrendered in 1933. Tensions rose between the two powers, until they finally snapped in 1935.