The history of Christianity in Tamil Nadu dates back to 2000 years ago, but in the 16th century, the religion is believed to have made a mark with the introduction by St Francis Xavier in Kanyakumari district. With the colonization by Portuguese, Dutch, British, and Italians in different years, the state saw a drastic change in its silhouette as well. Today\'s Tamil Nadu has some of the most spectacular churches which are must-visit. Tamil Nadu boasts a church in Chennai City where St Thomas, one of the disciples of Jesus is said to originally interred.