Well, besides Mandarin there are also articles about Taiwan in Cantonese, Eastern Min, Gan, Hakka, Literary Chinese, Southern Min, and Wu. They all seem to be able to agree that it's an island in the Pacific, but differ in the degree to which they mention that the Republic of China controls it. The Hakka article prominently displays the national flag, while the Southern Min one doesn't mention it in the introductory paragraph.