It is evident that this District has its historical importance for many reasons and being one of the main coastal areas of the country, in the past , the western invaders had, had landed here and the monuments left behind by them bear witness and to mention some of them are the “Forts” built at Mannar-Town and Arippu. The Ramar-bridge, hanging-bridge, Thiruketheeswaram-temple, Madhu-St.Mary’S Church, Light-house and the huge Baobab-tree speak of themselves with regard to the historical importance of this District.
This bridge was construct of sand and Lime-stones, in order to connect India and Sri Lanka. Bridge is called as Adam-bridge (Ramar-bridge) in the Tamil language, as Adams-bridge in the English-language and as Rama-sethu, in the language of Malayalam. This appears to be a sand-bund in length of 30 kilometres and 1.5 meter – 3.5 meter, above the water –level. In accordance with the historical entries it is said that there had been transportation using this bridge prior to the 15th Century.