Determination of the day of the week row C) to find the dominical letter that is E. The letter for September 18 is B, so the day of the week is Thursday. Use 16 (in the Julian century row, column E) and 76 (in row D) to find the dominical letter that is A. February 23 is a "D" day, so the day of the week is Wednesday. In a handwritten note in a collection of astronomical tables, Carl Friedrich Gauss described a method for calculating the day of the week for 1 January in any given year. He never published it. It was finally included in
German Unity Day in East Germany, even with the name "Day of the German Unity". Since 1963, it was proclaimed by the President of the Federal Republic as "National Day of Memorial of the German People". However by the mid-1960s as hope faded that the two Germanies would ever be re-united, this date became more of a holiday and opportunity to drink than a day to consider national unity. In the year 1990, the "Day of German Unity" was celebrated twice, on this date and on October 3. In East Germany, the Founding Day in 1949 would be celebrated on 7 October as