MCQOPTIONS
Saved Bookmarks
| 1. |
March 20 is observed as the International Day of Happiness. Since which year, the United Nations has celebrated the International Day of Happiness? |
| A. | 2011 |
| B. | 2013 |
| C. | 2015 |
| D. | 2017 |
| E. | 2019 |
| Answer» C. 2015 | |