The 50th Anniversary celebration of the Baptist Missionary Service was held on May 31st and June 1st and 2nd, 1842, in Kettering. So large were the expected crowds that two meetinghouses were used – one the Baptist and the other the Congregational. On the first day in the evening, Andrew Leslie was asked to preach. His text was Acts 14:27, “and when they had arrived and gathered the church together, they declared all that God had done with them, and how he had opened a door of faith to the Gentiles”. Leslie imitated Paul’s actions from the text, and gave a sermon “replete with interesting and important details respecting the East India mission, and the absurd, impure superstitions of the people among whom it is planted”.