A Tercentenary program in the form of an international festival will be given in Sanders Theatre on Sunday at 1.30 o'clock, it was announced by Tercentenary program officials yesterday.

This is to be the final event of the Cambridge Tercentenary celebration in which fifteen nationalities will participate with 500 persons in choruses, quartets and solos. It is expected that the Harvard Glee Club will be featured as well as the American Legion Band. The Federal government will be represented by Senator D. L. Walsh, the state by Governor Allen and the city of Cambridge by Mayor Russell.

The program will open with a group of selections by the American Legion Band, followed by representatives of the different nationalities who will march down the also with a flag bearer at their head. The bearers will assemble on the platform and be introduced by the chairman of the program.