Complex sentence: Authorised in the 1928 ship building programme "Boadicea" was laid down at the Hawthorn Leslie & Company Limited yard at Hebburn-on-Tyne on 11 July 1929, was launched on 23 September 1930, and completed on 7 April 1931.
Split into simpler sentences: Authorised in the 1928 ship building programme "Boadicea" was built at the Hawthorn Leslie & Company Limited yard at Hebburn-on-Tyne. She was laid down on 11 July 1929, launched on 23 September 1930 and completed on 7 April 1931.