Danube once appears as the mother of Vrtra, "a dragon blocking the course of the rivers." The Finnish word for Danube is Tonava, which is most likely derived from the word for the river in Swedish and German, "Donau". Its Sámi name "Deatnu" means "Great River". It is possible that "dānu" in Scythian as in Avestan was a generic word for "river": "Dnieper" and "Dniestr", from "Danapris" and "Danastius", are presumed to continue Scythian "*dānu apara" "far river" and "*dānu nazdya-" "near river", respectively. The river was known to the ancient Greeks as the "Istros" (Ἴστρος) a borrowing from a Daco-Thracian
Army of the Danube Army of the Danube merged in a joint command under André Masséna in April 1799; in June, portions of the Army of the Danube were used to strengthen the Army of the Rhine. Both the Army of the Rhine and the Army of the Danube subsequently merged in 24 November 1799 to form a new, enlarged army designated the Army of the Rhine. Army of the Danube The Army of the Danube () was a field army of the French Directory in the 1799 southwestern campaign in the Upper Danube valley. It was formed on 2 March 1799 by the