What is september 1?

September 1st holds significance for various reasons throughout history:

  • Start of Meteorological Autumn: In meteorology, September 1st marks the beginning of meteorological autumn in the Northern Hemisphere. This is based on seasonal temperature cycles rather than astronomical events.

  • Various National Days: Several countries celebrate their national days or independence days on September 1st. These include Slovakia's Constitution Day and Uzbekistan's Independence Day.

  • Start of the School Year: In many countries, especially in Eastern Europe and Russia, September 1st is traditionally the start%20of%20the%20school%20year, often referred to as "Knowledge Day" or "Day of Knowledge."

  • World War II: September 1, 1939, marks the date of Germany's%20invasion%20of%20Poland, generally considered the start of World War II.