Simplify the following text for a Grade 9 native English-speaking person.
Original: Upon independence in 1911 , with both the secular government and the Bogd Khan 's palace present , the city 's name changed to Niislel KhÃ 1\/4 ree ( Mongolian : Ð Ð Ð Ñ Ð '' Ñ Ð '' = `` capital '' , Ð Ò Ñ Ñ Ñ = `` camp '' ) .
Simplified: Upon independence in 1911 , the city 's name changed to Niislel KhÃ 1\/4 ree ( Mongolian : Ð Ð Ð Ñ Ð '' Ñ Ð '' = `` capital '' , Ð Ò Ñ Ñ Ñ = `` camp '' ) .