A thread follows one event or historical theme across the archive, wherever and whenever it appears. Pulling a thread opens up a narrowed timeline view filtered to every year that thread touches.
The decisive conflict at the close of Japan's Sengoku Period. Fought between the forces of Tokugawa Ieyasu and Ishida Mitsunari, Tokugawa's victory would pave the way for his being declared Shogun and securing his dynasty's rule over Japan for over two hundred years.