| 1. | It was opened on May 21, 1961. Elle fut inaugurée le 21 mai 1961. |
| 2. | She was launched on May 21, 1776. Elle est lancée le 21 mai 1776. |
| 3. | 21 May 1901 John Cappin Straker, Esq. 21 mai 1901 John Cappin Straker, Esq. |
| 4. | Affair at Blue River May 21 (detachment). Incident à Blue River le 21 mai (détachement). |
| 5. | Kweku Adoboli was born 21 May 1980. Kweku Adoboli est né le 21 mai 1980. |
| 6. | It is currently held on May 21. Elle se tient les 21 mai. |
| 7. | Hvidbjørnen reached Copenhagen on 21 May 1889. Le Hvidbjørnen atteint Copenhague le 21 mai 1889. |
| 8. | It formally ended on 21 May 1943. L'affaire est définitivement clôturée le 21 mai 1943. |
| 9. | 4 #1–19 (May 2010 – November 2011). Riposte (14 mai 2011 - 21 mai 2011). |
| 10. | 21 May 1901 Stephen Sanderson, Esq. 21 mai 1901 Stephen Sanderson, Esq. |