Complex sentence: On 4 June 1970, protected state status of the Kingdom of Tonga ended, the end of the Kingdom of Tonga protected state status was arraigned by Salote Tupou III prior to her death in 1965.
Split into simpler sentences: On 4 June 1970, protected state status of the Kingdom of Tonga ended. The end of the Kingdom of Tonga protected state status was arraigned by Salote Tupou III prior to her death in 1965.