Celebrato nei paesi (+2):
Armenia, Russia.Knowledge Day negli altri anni
| Inizia | |
|---|---|
| Knowledge Day 2155 | |
| Knowledge Day 2156 | |
| Knowledge Day 2157 | |
| Knowledge Day 2158 | |
| Knowledge Day 2159 | |
| Knowledge Day 2160 |
Knowledge Day in altre lingue
| English | Knowledge Day |
| Russian | День знаний |