Original sentence: In East Timor, which was an Indonesian province from 1975 to 1999, the Indonesian language is recognised by the constitution as one of the two working languages (the other is English, alongside the official languages of Tetum and Portuguese)
Edited sentence: In East Timor, occupied by Indonesia from 1974 to 1999, the Indonesian language is recognised by the constitution as one of the two working languages (the other is English, alongside the official languages of Tetum and Portuguese)