The document summarizes Latvia's National Day, which is celebrated on November 18th. It commemorates Latvia declaring independence from German and Russian occupation in 1918 after World War I. On this day, various celebrations and events take place across Latvia, including a parade in Riga, a speech by the President, and fireworks in the evening. Schools also hold celebrations, with performances and songs about historical events, and students wear ribbons in Latvia's national colors to show patriotism on this important day.