Celebrato nei paesi (+2):
Armenia, Russia.Knowledge Day negli altri anni
| Inizia | |
|---|---|
| Knowledge Day 2178 | |
| Knowledge Day 2179 | |
| Knowledge Day 2180 | |
| Knowledge Day 2181 | |
| Knowledge Day 2182 | |
| Knowledge Day 2183 |
Knowledge Day in altre lingue
| English | Knowledge Day |
| Russian | День знаний |