Liberland', a muddy Danube island on the border of Serbia and Croatia.
The music — an ode to Friedrich Nietzsche's novel about the doctrine of the 'superman' — played on would-be state radio to celebrate what Liberlanders see as a de facto border deal for their country, founded with a mix of right-wing libertarianism and technology like crypto on the marshy island of Gornja Siga.
Nineteenth century straightening of the Danube left some small peninsulas of the once meandering river that had been part of Croatia stranded on the Serbian side of the river's current course and the 7-km long island of Gornja Siga, once part of Serbia, marooned closer to the Croatian bank.
Croatia has administered Gornja Siga, but does not want it as that would mean giving up its claims to the bigger chunks of land on the Serbian side. Serbia, meanwhile, is quite happy with the status quo.
Into the impasse stepped Czech right-wing libertarian politician Vit Jedlička who said the island was therefore unclaimed and declared the boggy often-flooded wetland — home to wild boar, woodpeckers and red deer — independent in 2015.
Liberland is now inhabited by six to eight pioneering settlers who camp in tents on the island in between comparatively luxurious spells on the spartan Liberty, or in houses in nearby Serbia.
But in contrast to the low-tech living, Liberland e-citizens use