- "They fought. They died. They live forever."
- — Tyran Memorial Wall
The Battle of Berephus was fought in the UIR member state of Ostrini. The COG and UIR fought in the city that left at least seventeen Gears killed. After the battle, the COG memorialized the seventeen Gears that lost there lives in a Onyx slab at the Plaza for the Tyran Dead.
|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|