Completed the following sentence: Most inhabitants moved from Fyska to cities like Kilkis or Thessaloniki during the mid-20th century. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
Genocide in Turkey (also known as the Ottoman Empire) during the 1920s when many Pontians fled Turkey to settle in Greece.