The South China Sea has been an area of regular clashes and heightened tensions under the leadership of Xi Jinping. It seems that, every few months, Chinese naval or coastguard ships clash or almost clash with vessels from South East Asian nations like Vietnam and the Philippines. Only last week, a Chinese ship clashed with the Filipino coast guard in the Spratly Islands, with both sides levelling angry accusations at each other.

The region is full of disputed claims, making it fertile waters for accidental escalation. China says its claims to the region – encompassed by the ‘nine-dash line’ – are historic; that island sets such as the Spratlys and the Paracels in the South China Sea are as integral to the Chinese empire as Hong Kong or Taiwan. How sound is that claim?

This episode will be digging into the origins of the nine-dash line (roughly pictured here) – and finds them not so much in ancient imperial days. The chaotic formation of China’s claims in the South China Sea is researched and detailed in Bill Hayton’s book, The Invention of China.

To hear more about Bill's book, tune in to our previous episode: What is it to be Chinese?

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