On this day in 1990, East Germany and West Germany officially joined together as one for the first time since 1945. Though the Berlin Wall separating the two countries fell in 1989, it wasn't until 1990 that East and West Germany signed a treaty to re-unify and on October 3, East Germany formally joined West Germany.

To celebrate the Day of German Unity, festivals are held all over the country, with traditional food, drink, concerts, and horse racing. In addition to a large celebration at Brandenburg Gate in Berlin, the headquarters of German Unity Day change every year. The headquarters of the celebration always takes place in the state home of the current president of the Bundesrat, the legislative body of Germany. This year, Saxony hosts the celebration.

The artist collective WRK collaborated with the Doodle Team today to celebrate the union of East and West Germany. The colors of the German flag come together today, as the country comes together to commemorate this unity.