Nineteenth Century: In the nineteenth and early twentieth centuries, tuberculosis (also commonly referred to as "consumption") reached epidemic proportions, particularly in developing urban and industrial areas. During this time, it was the leading cause of death in the West.

Twentieth Century: Thanks to developments in sanitation and hygiene, the spread of tuberculosis was significantly curbed for most of the twentieth century. In the 1980s, however, the disease began to make a comeback in the West, and is still a threat in developing nations.

Nineteenth Century: Gothic fiction, or Gothic horror, was developed as a literary genre in the nineteenth century. In England, Mary Shelley's Frankenstein (1818) was one of the first Gothic novels of note, followed by others, such as Robert Louis Stevenson's Strange Case of Dr. Jekyll and Mr. Hyde (1886) and Bram Stoker's Dracula (1895). In America, Edgar Allan Poe and Nathaniel Hawthorne were notable...