Important Days Tamil Nadu Day - July 18 On this day in 1967, the resolution was moved by then CM C.N. Annadurai in the State Assembly, to rename Madras State as Tamil Nadu. Note On November 1, 1956, Linguistic Reorganisation of States was done in the country following which parts of Andhra Pradesh, Karnataka and Kerala "went away" from the then Madras State. Subsequently, the previous government had announced November 1 from 2019 as Tamil Nadu Day.
