The flag of Estonia consists of three horizontal stripes of blue, black, and white. The blue stripe at the top symbolizes the sky and the sea, the black represents the soil and the past hardships of the Estonian people, and the white signifies peace and the desire for a brighter future. The flag was officially adopted on November 21, 1922, and is associated with Estonia's quest for independence and national identity. The colors have deep historical significance, rooted in Estonian folklore and traditions​.