Simplify the following text for a Grade 15 native English-speaking person.
Original: It is notable , that Albania , which had severed diplomatic relations with the USSR since 1961 , also had a certain variant of Pioneer organization , called Pioneers of Enver , named after the communist ruler of Albania , Enver Hoxha .
Simplified: Albania , which severed diplomatic relations with the USSR in 1961 , also had a variant of Pioneer organization , called Pioneers of Enver , named after the communist ruler of Albania , Enver Hoxha .