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 Pipe On 2 May 2007, PGNiG and Energinet.dk, a Danish transmission system operator, which was taken over Danish natural gas transmission network from DONG, signed an agreement to explore the possibility of construction the Baltic Pipe. In August 2008, the Polish Government replaced PGNiG with the fully state-owned pipeline operator Gaz-System as the project partner. On 18 May 2009, the European Commission launched a call for proposals for grants in the framework of the European Energy Programme for Recovery. It proposed to allocate about €150 million for implementation of Skanled and Baltic Pipe projects. However, on 16 June 2009 Gaz-System suspended