Complex sentence: The "Independence Bill of Ceylon" was passed in December of 1947, on 11 December 1947, Senanayake signed agreements with Britain including a defense pact that paved the way for independence of Ceylon.
Split into simpler sentences: The "Independence Bill of Ceylon" was passed in December of 1947. On 11 December 1947, Senanayake signed agreements with Britain including a defence pact that paved the way for independence of Ceylon.