The CS department at the German university I work for started offering their lectures in English a number of years back. While a very good command of English is not uncommon in other parts of Europe, such as e.g. Scandinavia, this move is remarkable in my opinion because English is (more or less) ubiquitous only in the younger generation in Germany. A lot of middle-aged people do not speak English, or only at a very…
In the Netherlands I see something similar, in that Dutch people are actually too enthousiastic to speak English—many of my expat friends tell me that when they try to speak Dutch, people will respond in English. Not speaking Dutch is all fine while you’re on your student visum in an English speaking environment, but it breaks down when you have to pay taxes or get a letter from the immigration office—all that is in…
Denmark has gone to the next level and even this is largely in English now too, which makes it even harder / less motivating for foreigners to learn Danish. Most government websites are dual-language, and every civil-service employee speaks English. Many state agencies (and banks, pension funds, unions, etc.) now also give recipients an option of Danish or English for receiving official communications, and some actually default to English if you're registered as a non-Danish national, so you'd have to specifically request Danish if you wanted it.