Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2048 | |
| Ornithologist day 2049 | |
| Ornithologist day 2050 | |
| Ornithologist day 2051 | |
| Ornithologist day 2052 | |
| Ornithologist day 2053 |
Ornithologist day in altre lingue
| Russian | День орнитолога |