Sardinia the highest internet performances, such as fastest broadband connection in Italy. Sardinia is also the Italian region with the highest percentage (41%) of 4G LTE users. The Chinese multinational telecommunications equipment and systems companies ZTE and Huawei have development centers and innovation labs in Sardinia. Sardinia has become Europe's first region to fully adopt the new Digital Terrestrial Television broadcasting standard. From 1 November 2008 TV channels are broadcast only in digital. Sardinia has three international airports (Alghero-Fertilia/Riviera del Corallo Airport, Olbia-Costa Smeralda Airport and Cagliari-Elmas Airport) connected with the principal Italian cities and many European destinations, mainly in the
History of Sardinia the Kingdom of Sardinia in 1324. The Kingdom was to last until 1718, when it was ceded to the Piedmontese House of Savoy; later, in 1861, it would thus become the Kingdom of Italy and finally in 1946 the Italian Republic. The oldest trace in Sardinia of the anthropomorphic prehistoric primate called "Oreopithecus bambolii" is dated to 8.5 million years ago. In 1996 a hominid finger bone, dated up to 250.000 BC, was found in a cave in the Logudoro region. Modern humans appeared in the island during the Upper Paleolithic, a phalanx dated to 18000 BC had been found