Determination of the day of the week ISO 8601. The day designated with 7 may also be counted as "0", by applying the arithmetic modulo 7, which calculates the remainder of a number after division by 7. Thus, the number 7 is treated as 0, 8 as 1, 9 as 2, 18 as 4 and so on. If Sunday is counted as day 1, then 7 days later (i.e. day 8) is also a Sunday, and day 18 is the same as day 4, which is a Wednesday since this falls three days after Sunday. The basic approach of nearly all of the methods to calculate the
Day of the founding of the German Empire nominal value of five Deutsche Marks which paid tribute to the same event. Some adherents of the political right continued this tradition. Also, some student connections celebrated "Reichsgründungskneipen" (Imperial Founding Pubs). Day of the founding of the German Empire The Day of the founding of the German Empire (German: "Reichsgründungstag") was an annual celebration on the anniversary of the proclamation of the German Empire on 18 January 1871 in the Palace of Versailles. The North German Confederation had already officially adopted the name "German Reich" in its Constitution by 1 January 1871, so constitutionally speaking, 18 January was not the