Back 1808 in science English 1808 en science French 1808 במדע HE 1808 a tudományban Hungarian Науката во 1808 година Macedonian Vitenskapsåret 1808 NB 1808 na ciência Portuguese 1808 год в науке Russian Vetenskapsåret 1808 Swedish 1808 nî kho-ha̍k ZH-MIN-NAN