Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2161 | |
| Ornithologist day 2162 | |
| Ornithologist day 2163 | |
| Ornithologist day 2164 | |
| Ornithologist day 2165 | |
| Ornithologist day 2166 |
Ornithologist day in altre lingue
| Russian | День орнитолога |