Questions & Answers about Der Glückwunsch kommt von uns.
Glückwunsch is a masculine noun, so its basic article is der.
- der Glückwunsch = nominative singular
- den Glückwunsch = accusative singular
- dem Glückwunsch = dative singular
- des Glückwunsches / Glückwunschs = genitive singular
In this sentence, der Glückwunsch is the subject, so it appears in the nominative.
Because all nouns are capitalized in German.
So:
- der Glückwunsch
- das Haus
- die Stadt
This is one of the most noticeable spelling differences from English.