Eugen Mittwoch behalf of Mittwoch. Because of their colonial activities in Ethiopia, the Italians were extremely interested in Mittwoch's knowledge and research. Mittwoch was very active on behalf of the Ethiopian Jews (Falasha), and was also one of the first German Jews who could speak fluent Ivrit. Starting in 1933, Mittwoch used his "privileged" position in Germany (he continued to receive his salary as a German professor until the beginning of the war) on behalf of the Jewish community, he became head of the American Jewish Joint Distribution Committee in Berlin. However, in 1938, after Kristallnacht, also Mittwoch had to emigrate, and
Determination of the day of the week enter a self-contained function for converting a Gregorian date into a numerical day of the week. It preserves neither y nor d, and returns 0 = Sunday, 1 = Monday, etc. Shortly afterwards, Hans Lachman streamlined their algorithm for ease of use on low-end devices. As designed originally for four-function calculators, his method needs fewer keypad entries by limiting its range either to A.D. 1905-2099, or to historical Julian dates. It was later modified to convert any Gregorian date, even on an abacus. On Motorola 68000-based devices, there is similarly less need of either processor registers or opcodes, depending on