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 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 1683 when 13 German families from Krefeld, near the Rhine, landed in Philadelphia. These families subsequently founded Germantown, Pennsylvania, the first German settlement in the original thirteen American colonies, and organized the first petition in the English colonies to abolish slavery in 1688. Originally known under the rubric of "German Day", the holiday was celebrated for the first time in Philadelphia in 1883, on the occasion of the 200th anniversary