In 1956 this was integrated with the state of East Punjab to create a new, enlarged Indian state called simply "Punjab". Punjab Day is celebrated across the state on 1 November every year marking the formation of a Punjabi language speaking state under the Punjab Reorganisation Act (1966).[59][60] From 1981 to 1995 the state suffered a 14-year long insurgency which culminated with Operation Blue Star, and the assassination of India's Prime Minister.[61]