The Finnish Civil War ends when the Whites took over Fort Ino, a Russian coastal artillery base on the Karelian Isthmus, from Russian troops.

The Finnish Civil War was a civil war in Finland in 1918 fought for the leadership and control of the country between White Finland and the Finnish Socialist Workers' Republic during the country's transition from a grand duchy ruled by the Russian Empire to a fully independent state. The clashes took place in the context of the national, political, and social turmoil caused by World War I in Europe. The war was fought between the Red Guards, led by a section of the Social Democratic Party with backup of the Russian bolsheviks and the White Guards of the senate and those who opposed socialism, with major assistance by the German Imperial Army, along the German goal to control Fennoscandia. The paramilitary Red Guards, which were composed of industrial and agrarian working class people, controlled the cities and industrial centres of southern Finland. The paramilitary White Guards, which consisted of land owners and the middle and upper class Finns, controlled rural central and northern Finland, and were led by General C. G. E. Mannerheim.

The White Guard, officially known as the Civil Guard, was a voluntary militia, part of the Finnish Whites movement, that emerged victorious over the socialist Red Guards in the Finnish Civil War of 1918. They were generally known as the "White Guard" in the West due to their opposition to the "communist" Red Guards. In the White Army of Finland many participants were recruits, draftees and German-trained Jägers – rather than part of the paramilitary. The central organization was named the White Guard Organization, and the organization consisted of local chapters in municipalities.

Fort Ino or Fort Nikolaevsky is an abandoned early 20th-century Russian coastal fortification situated on the northern shore of Neva Bay in the Gulf of Finland. The fort is close to the present-day settlement Privetninskoye of Vyborgsky District of Leningrad Oblast, opposite the Krasnaya Gorka fort on the southern shore. Fort Ino is still under Russian control. The ruins of the fortress, with an extensive system of tunnels, are now abandoned and are partially accessible to the public.