Osea (continent)

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This article is about continent of Osea. For the country, see Osea.

Osea is one of the largest continents in Strangereal. It is located east of Verusa and west of the Usea. It is connected to its smaller southern counterpart, South Osea. The Osean Federation, a global superpower, is located on it.[1]

The Osean continent has been the setting depicted in multiple Ace Combat titles, including Ace Combat 5: The Unsung War and Ace Combat Zero: The Belkan War.[2][3] It was once again featured in the Ace Combat 7: Skies Unknown.[4]



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Early history (–1905)

During an unspecified time in history, the Belkan Knights rose to power in northern Osea. Their influence spread throughout the region.[5]

In the 1100s, construction began on Stier Castle.[6]

Prior to the 1800s, the country of Osea was formed with Bana City as its capital.[7]

During the 1900s, Belka began increasing its productive capacity.[8]

Osean War (1905–1910)

The Osean War began in 1905 and lasted until 1910. During the war, the Belkan military was the first force to utilize aircraft in warfare, creating the Belkan Air Force. These attacks proved devastating to the Oseans, who soon after also began using warplanes.[8]

As the war progressed, Belka developed more advanced aircraft with the purpose of maintaining air superiority. Due to their increased industrial strength, Belka was able to produce more aircraft at a rapid rate.[8] It is currently unknown which country won the war.

Rectan Conflict (1973)

In the 1970s, pro-democratic riots took place in Recta, ultimately resulting in Belkan military intervention.[9][10] During the war, the Rectan and Belkan air forces saw multiple engagements. resulting in many Belkan casualties. Eventually, the war reached a stalemate.

The Rectan Air Force was notable for having fewer pilots than most east Osean territories, but the Rectan pilots were highly skilled. The Belkan Air Force, unfamiliar to such resistance, suffered heavy losses early in the war. The two forces soon became stalemated, both on the ground and in the air.[10]

In 1973, the Belkan Air Force deployed Silber Team, who successfully captured the Mainz Mountains, breaking the stalemate. This allowed the Belkan Army troops to invade and occupy, Recta's capital, Cor.[11] Ultimately, Belka won the war.[10][12]

Belkan economic crisis (1980s)

Cold War (1980s–1995)

In the 1980s, tensions between the Osean Federation and the Union of Yuktobanian Republics began to rise. Both countries saw huge economic growth as their influence across the globe expanded.

Wellow Incident (1985)

In 1985, a flight of unidentified aircraft entered the airspace surrounding Crescens Island in northern Belka. The Belkan Air Force deployed Silber Team in response. Silber then shot down the unidentified aircraft.[10][13]

Spring Sea Treaty (1990s)

Int he late 1990s, the Osean Federation proposed a military pact with multiple countries in southern Usea. On May 30, 1997, the day of the treaty signing, many military leaders in northern Usea launched a coup d'état which prevented the signing.[14]

Belkan War (1995)

Arkbird Declaration (2008)

Circum-Pacific War (2010)

Usean reconstruction (2011–2019)

Lighthouse War (2019)

In 2019, the Kingdom of Erusea declared war on the Osean Federation, capturing the International Space Elevator and launching multiple attacks on Osean territory with drones. In response, the Osean military launched an attack on Erusea's capital, Farbanti.[15]