Complex sentence: In May 1912 the drill hall was used as the location for the inquiry into the sinking of RMS "Titanic" and, in August 1814, the 14th (County of London) Battalion was mobilised at the drill hall before being deployed to the Western Front.
Split into simpler sentences: In May 1912 the drill hall was used as the location for the inquiry into the sinking of RMS "Titanic". In August 1814, the 14th (County of London) Battalion was mobilised at the drill hall before being deployed to the Western Front.