Dutch and German both exp
Dutch and German both experienced similar changes, but for the most part remained far closer to original pronunciation. The speed of its spread is partially explained by the mass migration of people towards South East England after the black death, resulting in much uniformity in pronunciation, and it is responsible for many of the peculiarities of English spelling. Marking the main difference between Middle and Modern English, this is, FTP, what linguistic event which explains why English vowels do not have the same value as continental vowels?
Dutch and German both experienced similar changes, but for the most part remained far closer to original pronunciation.
Great Vowel Shift