100 years on, mystery still surrounds the death of Mabel Greenwood from alleged arsenic poisoning in 1919...

On 21st May 1914, Emmeline Pankhurst was arrested at the gates of Buckingham Palace. She was trying to lead a delegation to see King George V - but more than 2,000 police officers were sent to stop her.

Considered a royal rebel, Queen Victoria's fourth daughter Princess Louise was an advocate of women’s rights and supported the suffrage movement...