The proclamation of independence was broadcast over the radio.

独立声明在广播里播出了。

《柯林斯英汉双解大词典》

With the documents signed, even if the British persuaded the Tunku and his colleagues not to take it through Parliament, once I had published the agreements and the proclamation of independence in the government gazette, Singapore's relationship with Malaysia would change irrevocably.

CNN: MEMOIRS OF LEE KWAN YEW