2020 Euro-British Pound (EUR/GBP) chart

Euro (EUR, €) is the official currency of 17 European Countries - however it is not the official currency of GB, nor Switzerland and Norway. (These three are not even the memebers of the European Union.). Its fractional unit is Cent, 1 EUR = 100 Cent(s). It was first introduced as an accounting currency on 1999-01-01.
British Pound (GBP, £) is currency of United Kingdom, the Isle of Man (IM, see Manx pound), Jersey (JE, see Jersey pound), and Guernsey (GG, see Guernsey pound). Its fractional unit is Penny, 1 GBP = 100 Penny(s).