Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2233 | |
| Ornithologist day 2234 | |
| Ornithologist day 2235 | |
| Ornithologist day 2236 | |
| Ornithologist day 2237 | |
| Ornithologist day 2238 |
Ornithologist day in altre lingue
| Russian | День орнитолога |