On: English: A vs. An

[johannes1234321]

In "I'm Danish" it's an adjective. With "I'm a Danish" it's a noun, stating you are a pastry.

[sajithdilshan → johannes1234321]

You can say “I’m Danish” or “I’m British”. If you want to use an article and convey the same meaning then it would be “I’m a Dane” or I’m a Brit”

[Izkata → sajithdilshan]

I think you missed the joke: https://en.wikipedia.org/wiki/Danish_pastry

> A Danish pastry (sometimes shortened to Danish)

[bluebarbet → johannes1234321]

But only in US English!