The state was established by a Unilateral Declaration of Independence in 1966, in response to the annexation of the land used for the annual Donkey Grand National at Whiteman’s Green (which had been used to raise funds for the local community). With the Donkey Races effectively banned a hard core of revolutionaries issued the proclamation of UDI – and established the first election for Mayor, making ISOC the the first “mayorality” (cf principality) in the world…
A list of past mayors can be found here.