I read 1989 instead of 1889 when I answered this question I'm really sorry about that
PO River is the name of the river
Britain .....................................
Answer:
Indian astronomy was influenced by Greek astronomy beginning in the 4th century BCE and through the early centuries of the Common Era, for example by the Yavanajataka and the Romaka Siddhanta, a Sanskrit translation of a Greek text disseminated from the 2nd century.
Explanation: