Celebrato nei paesi (+2):
Armenia, Russia.Knowledge Day negli altri anni
| Inizia | |
|---|---|
| Knowledge Day 2169 | |
| Knowledge Day 2170 | |
| Knowledge Day 2171 | |
| Knowledge Day 2172 | |
| Knowledge Day 2173 | |
| Knowledge Day 2174 |
Knowledge Day in altre lingue
| English | Knowledge Day |
| Russian | День знаний |