what is the old name of tamil nadu
History of Tamil Nadu Rapid changes in the political situation of the rest of India occurred due to incursions of Muslim armies from the northwest and the decline of the three ancient dynasties during the 14th century, the Tamil country became part of the Vijayanagara Empire. Under this empire, the Kannada speaking Nayak governors ruled before the European trading companies appeared during the 17th century eventually assuming greater sway over the indigenous rulers of the land. The Madras Presidency, comprising most of southern India, was created in the 18th century and was ruled directly by the British. After the independence of India, after the Telugu and Malayalam parts of Madras state were separated from Madras state in 1956, it was renamed as Tamil Nadu in 1969 by the state government.
Chennai Chennai has a tropical wet and dry climate (Köppen: Aw). The city lies on the thermal equator[101] and is also on the coast, which prevents extreme variation in seasonal temperature. The hottest part of the year is late May to early June, known regionally as Agni Nakshatram ("fire star") or as Kathiri Veyyil,[102] with maximum temperatures around 35–40 °C (95–104 °F). The coolest part of the year is January, with minimum temperatures around 19–25 °C (66–77 °F). The lowest recorded temperature was 13.9 °C (57.0 °F) on 11 December 1895 and 29 January 1905.[103] The highest recorded temperature was 45 °C (113 °F) on 31 May 2003.[103] The average annual rainfall is about 140 cm (55 in).[104]