Determination of the day of the week the day of the week without any calculations. Examples: December is in row F and 26 is in column E, so the letter for the date is C located in row F and column E. 93 (year mod 100) is in row D (year row) and the letter C in the year row is located in column G. 18 ([year/100] in the Gregorian century column) is in row C (century row) and the letter in the century row and column G is B, so the day of the week is Tuesday. October 13 is a F day. The letter F
German Unity Day the first Prussian coronation of the king, which should not fall into the shadow of a united German holiday." On 31 July 1919, the Weimar Constitution would be accepted in its form by the Weimar National Congress. In memorial of this "Hour of birth of democracy", the 11 August was created as Constitution Day, because the President of the Empire, Friedrich Ebert, signed the constitution on this day. Shortly after the Nazis took power in 1933 (the so-called "Machtergreifung"), May Day (1 May) was established as a national holiday in the "German Reich". It was already celebrated as a "Day