Original: On December 10, 1991 in a referendum boycotted by local Azerbaijanis, Armenians in Nagorno-Karabakh approved the creation of an independent state.
Simplified: In response the Nagorno-Karabakh Armenians held a December 10, 1991 referendum in which the overwhelming majority of the population voted for outright independence. The Azeri community of Nagorno-Karabakh boycotted this referendum.