Gears of War

Ostri Front

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Ostri Front

Pendulum Wars




Ostri Republic




COGFlag Coalition of Ordered Governments

UIR symbol (self) Union of Independent Republics

  • Ostri Republic




COG forces

UIR/Ostri forces

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The Ostri front was a theatre of the Pendulum wars, the front saw trench-warfare between the Gears of the COG and the Indies of the UIR. The campaign was thirty years before the Siege of Anvil Gate. Cpt.Ranald Sander compared his quarters to the trenches of the Ostri front, with the smell of canvas, wool, charts and maps taking up every space on the walls.[2]


  1. Gears of War:Anvil Gate pg 227
  2. Gears of War:Anvil Gate pg 227
Pendulum Wars
47 B.E. Ostri Front
17 B.E. Kashkur Front (Fall of Mendurat · Siege of Anvil Gate · Battle of Shavad · Battle of Ragani) ·UIR occupation of Vasgar · Raid on Gralia
4 B.E. Raids on the Acastu Imulsion Fields · Battle of Irohma Island
3 B.E. Sarfuth-Maranday Border Incident · Battle of Aspho Fields
0 B.E. Skirmish in Ghato City · Battle of Bonbourg · Skirmish on Furlin cliffside · Armistice between the UIR and COG
Unknown timeline Battle of Branascu · Bombardment of Mercy · Conquest of the South Islands · Eastern Front · Bombing of Sikorla · Battle of Autrin · Battle of Berephus · Third Battle of the Plateau

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