Simplify the following text for a Grade 8 native English-speaking person.
Original: In Wales , four Church of England dioceses were disestablished in 1920 , becoming separated from the Church of England in the process and subsequently becoming the Church in Wales ( not an established church ) .
Simplified: The Church in Wales was split from the Church of England in 1920 by Welsh Church Act 1914 ; at the same time becoming disestablished .