21: Bliain
| Blianta: 17 18 19 20 - 21 - 22 23 24 25 | |
| Deichniúra: 00í RC 0í 10í - 20í - 30í 40í 50í | |
| Aoiseanna: an chéad aois RC - an chéad aois - an dara haois | |
Eachtraí
Breitheanna
Básanna
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