Ja poprawialem to co likee napisal.
Dobrze bylo Danish, Dutch to holenderski, nie duński.
I would like to = chciałbym, zwrot grzecznosciowy.
Podsumowujac, poprawiona wersja:
We WOULD LIKE to invite all {} Danish students TO THE Polish Evening THAT TAKES PLACE on 26 October IN our school. The evening starts at 6 pm.
Come and enjoy!
If interested, please call 6[tel].