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-American Day designating October 6, 1987, as German-American Day. It became when President Reagan signed it on August 18. A proclamation (#) to this effect was issued October 2, 1987, by President Reagan in a formal ceremony in the White House Rose Garden, at which time the President called on Americans to observe the Day with appropriate ceremonies and activities. Presidents since then have continued to make proclamations to observe German-American Day. German-American Day German-American Day () is a holiday in the United States, observed annually on October 6 under . German-American Day, which celebrates German American heritage, commemorates the date in