On which date was the Act of Independence of Lithuania signed, declaring the restoration of an independent Lithuanian state in 1918?
Note
The Act of Independence of Lithuania was signed on February 16, 1918, by the Council of Lithuania (Lietuvos Taryba) in Vilnius. The document declared the re-establishment of an independent Lithuanian state following the collapse of empires after World War I. This date is celebrated as Lithuania's State Restoration Day and marks the formal assertion of sovereignty that led to the formation of the interwar Republic of Lithuania.