The national colours are blue and white.
The nation was defined by Jean Sibelius in 1899.
Today, the Finnish Radio Symphony Orchestra, conducted by Hannu Lintu, will perform two world premieres:
Lotta Wennäkoski: Untill the Dreams and Magnus Lindberg: Tempus fugit, followed by the Kullervo-symphony by Sibelius, with 150 singers from the Estonian national male choir and the Finnish Polytech Choir.
Watch it live here from 1300 GMT. Listen to it from your sauna.