ERT1 (short for Ellinikí Radiophonia Tileórassi 1)(Greek: ΕΡΤ1), formerly ET1 (short for Ellinikí Tileórassi 1; Greek: Ελληνική Τηλεόραση 1; Greek for Hellenic Television 1), is the flagship television network of the ERT, the Hellenic Broadcasting Corporation. It was launched in 1966 as a television service of the EIRT.