中俄北京条约

The Peking Convention is a decision available to Russia regarding Manchuria, owned by China.

The state of Outer Manchuria is out to the sea bordering Korea

The requirement is that Russia is a great power and have sphered Manchuria. It gives 2 prestige and a core on Manchuria owned Kyzyl (Outer Manchuria). It also gives China the event The Convention of Peking, which usually leads to the annexation of Outer Manchuria.

It is not possible to take, if Manchuria does not own Vladivostok, so if China westernizes and annexes the substates, then it is not possible to take.

The ingame text states: Since the treaty of Nerchinsk (1689), the Russian Empire has recognized the Argun river and the Stanovoy mountains as the natural frontiers between Russia and China. In the mid 19th century the Russians would expand beyond this border to seize the vast lands between the Stanovoy Mountains and the Amur River. The Western Aalies would later bring the Second Opium War to a conclusion by burning the Chinese Emperor's summer palaces.

It leads directly to the Russian decision The Ruler of the East

Vanilla

In Vanilla the Chinese substate system does not exist, and therefore Russia has to sphere either China or an independent Manchukuo