The flag of Finland is a blue nordic cross, an offset cross, on a white field. The blue cross represents Christianity. Blue is said to represent the country’s thousands of lakes and the sky while white represents the snow that covers the land in the winter. The proportions for the vertical aspect of the cross from left to right are 5:3:10 and for the horizontal aspect of the cross, it is 4:3:4.
The Finnish flag was adopted on May 28, 1918