Celebrato nei paesi (+2):
Armenia, Russia.Knowledge Day negli altri anni
| Inizia | |
|---|---|
| Knowledge Day 2270 | |
| Knowledge Day 2271 | |
| Knowledge Day 2272 | |
| Knowledge Day 2273 | |
| Knowledge Day 2274 | |
| Knowledge Day 2275 |
Knowledge Day in altre lingue
| English | Knowledge Day |
| Russian | День знаний |