Simplify the following text for a Grade 9 native English-speaking person.
Original: Russian-speakers refer to the schism itself as raskol ( Ñ Ð Ñ Ð Ð 3\/4 Ð '' - etymologically indicating a `` cleaving-apart '' ) .
Simplified: Dissenters known as Ð Ð Ð Ð '' Ð 3\/4 Ð Ð 3\/4 Ð Ð 3\/4 Ð Ñ Ñ ( beglopopovtsy ) obtained their own hierarchy in the 1920s .