What is the real history in "Black Butler"?

A lot of this is true history. Here are a few:

1. Jack the Ripper

The beginning and end of the incident was August 7, 1888. As of November 9, at least five prostitutes were brutally murdered in Whitechapel, East London. The murderer wrote letters to relevant units many times to provoke him, but he was never brought to justice. His bold crime methods, which were repeatedly exaggerated by the media, caused panic in British society at that time. To this day, he is still one of the most notorious killers in European and American culture;

2. Doom Sapphire——Hope

There are several unique deep blue diamonds in the world. Excellent products, the most famous of which is "Hope". When you hear this name, you may think that this auspicious diamond should bring unlimited hope and good luck to its owner. In fact, this surprisingly beautiful gem has brought misfortune and even death to its owner for three centuries. ;

3. Faust

Most people may have heard of the famous work "Faust" by the German writer Goethe. In fact, it was famous in the British Renaissance long before Goethe. The playwright Christopher Marlowe has already created his masterpiece "Doctor Faustus" based on this legend. From this point of view, the framework of the story can barely have anything to do with Britain;

Extended information:

The TV animation "Black Butler" is adapted from the comic of the same name created by Nippon Shuliang. It is the first issue of the TV animation "Black Butler". It will be broadcast on MBS and TBS on October 2, 2008, with a total of 10 episodes and 25 episodes.

"Black Butler" (English: Black Butler, also translated as "Black Butler") is a comic serialized by Japanese cartoonist Su Liang in the October 2006 issue of "Monthly GFantasy". The comic is still being serialized, with one episode serialized on the 18th of every month. 21 volumes of the comic have been published, and the cumulative sales have exceeded 15 million copies.

Reference: Black Butler-Baidu Encyclopedia