Vlad II Dracul vs Yang Guang

Vlad II Dracul became Voivode of Wallachia after the death of his half-brother Alexander I Aldea. His reign was marked by a precarious balance between the Ottoman Empire and the Kingdom of Hungary.

Vlad II Dracul allied with the Ottoman Sultan Murad II, agreeing to pay tribute and provide military support. This alliance secured his position but made Wallachia a vassal state.

Vlad II Dracul joined the Christian coalition led by John Hunyadi and King W

Vlad II Dracul was assassinated on the orders of John Hunyadi, who suspected him of treachery. His death led to a power struggle in Wallachia and the eventual rise of his son Vlad the Impaler.

Emperor Yang Guang ordered the construction of the Grand Canal, linking the Yellow River and Yangtze River. The project mobilized millions of laborers and created a vital waterway for grain transport and trade, but the immense human cost led to widespread resentment and rebellion.

Yang Guang launched three massive military campaigns against the Korean kingdom of Goguryeo. The first invasion in 612 ended in catastrophic defeat at the Battle of Salsu, with hundreds of thousands of Chinese soldiers killed. The repeated failures drained the treasury and sparked widespread revolts.

While Yang Guang was campaigning against Goguryeo, the noble Yang Xuangan launched a major rebellion in the rear. The revolt was suppressed, but it exposed the fragility of Sui rule and encouraged further uprisings across the empire.

As rebellions engulfed the empire, Yang Guang was strangled to death in Jiangdu by his own guards led by Yuwen Huaji. His death marked the effective end of the Sui dynasty, which collapsed shortly after, leading to the rise of the Tang dynasty.