Empat),在森美蘭,最高統治者駕崩時,四位米南加保酋長會從四位王子中挑選適任的繼承者。 這四位王子的稱號分別是: 東姑勿刹(Tunku Besar Seri Menanti) 東姑叻沙馬納(Tunku Laxamana) 東姑慕達(Tunku Muda Serting) 東姑邦里瑪(Tunku Panglima Besar)
Kuala Lumpur–Ipoh and Johor Bahru–Kulai sections were completed. In 1924, the Johor–Singapore Causeway was completed, connecting Johor Bahru to the island