Simplify the following text for a Grade 8 native English-speaking person.
Original: In 1929 the rank of StandartenfÃ 1\/4 hrer was divided into two separate ranks known as StandartenfÃ 1\/4 hrer ( I ) and StandartenfÃ 1\/4 hrer ( II ) .
Simplified: In 1929 the rank of StandartenfÃ 1\/4 hrer was split into two ranks known as StandartenfÃ 1\/4 hrer ( I ) and StandartenfÃ 1\/4 hrer ( II ) .