Wednesday "Germanic Mercury". The Latin name dates to the late 2nd or early 3rd century. It is a calque of Greek ("heméra Hérmou"), a term first attested, together with the system of naming the seven weekdays after the seven classical planets, in the "Anthologiarum" by Vettius Valens (c. AD 170). The Latin name is reflected directly in the weekday name in most modern Romance languages: "Mércuris" (Sardinian), "mercredi" (French), "mercoledì" (Italian), "miércoles" (Spanish), "miercuri" (Romanian), "dimecres" (Catalan), "Marcuri" or "Mercuri" (Corsican). In Welsh it is Dydd Mercher, meaning Mercury's Day. The German name for the day, "Mittwoch" (literally: "mid-week"), replaced the
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