Latvia as its currency since 1 January 2014, replacing the Latvian lats. The name "Latvija" is derived from the name of the ancient Latgalians, one of four Indo-European Baltic tribes (along with Couronians, Selonians and Semigallians), which formed the ethnic core of modern Latvians together with the Finnic Livonians. Henry of Latvia coined the latinisations of the country's name, "Lettigallia" and "Lethia", both derived from the Latgalians. The terms inspired the variations on the country's name in Romance languages from "Letonia" and in several Germanic languages from "Lettland". Around 3000 BC, the proto-Baltic ancestors of the Latvian people settled on the
Baltic Offensive in-depth defense by the 1st Baltic Front, and by 20 August the German advance had stalled with heavy losses. A follow-on attack, code-named Operation Cäsar, and launched on 16 September, failed in the same manner. After a brief period of respite, STAVKA issued orders for the Baltic Strategic Offensive, which lasted from 14 September-24 November. In common with other Soviet strategic offensives, the Baltic Offensive covers a number of operational level operations and individual Front offensive operations: From the German defensive perspective, the period included the following operations: The Baltic Offensive operation resulted in the expulsion of German forces from