(i) Before the Second World War, the Jews were tortured in Germany.
(ii) Their citizenships and properties were confiscated. Due to this, the Jews became refugees.
(iii) In 1971, the people in East Pakistan turned refugees and came to India seeking refuge due to political and religious persecution.
(iv) In the last few years due to the war-like situation in Iraq and Syria, a lot of people are leaving Syria as refugees. We can cite many such example of refugees.