Arrange the UN Secretary Generals in chronological order.
 
A. Kurt Waldeim
B. Kofi Annan
C. U Thant
D. Boutros Boutros Ghali
E. Ban Ki Moon

C, A, D, B, E

The correct answer is Option 2 - C, A, D, B, E

C. U Thant
A. Kurt Waldeim
D. Boutros Boutros Ghali
B. Kofi Annan
E. Ban Ki Moon

UN Secretary Generals in chronological order:

1. Trygve Lie (1946-1952), Norway.
2. Dag Hammarskjöld (1953-1961), Sweden.
3. U Thant (1961-1971), Burma (Myanmar).
4. Kurt Waldheim (1972-1981), Austria.
5. Javier Perez de Cuellar (1982-1991), Peru.
6. Boutros Boutros-Ghali (1992-1996), Egypt.
7. Kofi A. Annan (1997-2006), Ghana.
8. Ban Ki-moon (2007-2016), Republic of Korea (South Korea).
9. António Manuel de Oliveira Guterres (2017-), Portugal.