What is what holiday is october 3rd?

October 3rd is the German Unity Day, also known as Tag der Deutschen Einheit. It is a national holiday in Germany that commemorates the anniversary of the country's reunification in 1990. On this day, Germany celebrates the coming together of East and West Germany after the fall of the Berlin Wall, marking the end of decades of division between the two regions. German Unity Day is typically observed with various ceremonies, events, and festivities throughout the country.