The kingdom of Australia (Singaporeworld)

In 2092 Australia became a monarchy is inspired by the British monarchy which was disbanded in 2062 as a result of political instability. The Australian monarchy was one of the most powerful monarchies in 21st century and they ruled Australia with an iron fist and outlawed all religions except for Christianity and heavily restricted native Australian cultural beliefs and destroyed many native sites. This monarchy was extremely ruthless and suppressed their citizens human rights. In 2100 they also make homosexuality punishable by death. The monarchy ruled Australia until 2163 when they were overthrown in extremely violent coup that led to the atomic bombing of Sydney Darwin and Melbourne. This made Australia extremely radioactive and led to the abandonment of much of the country by 2185. The country was only re-inhabited in 2300 when you radiation levels and reach a safe level. This was one the most brutal regimes in the 21st century and they led to the deaths of millions of people including 2500 native people. This is one of the deadliest periods in 21st century history and was second only to the great genocide of 2100.