Complex sentence: There were a number of animals aboard the RMS "Titanic" during her disastrous maiden voyage, which ended with the ship sinking on 15 April 1912 after colliding with an iceberg.
Split into simpler sentences: There were a number of animals aboard the RMS "Titanic" during her disastrous maiden voyage. This voyage ended with the ship sinking on 15 April 1912 after colliding with an iceberg.