In 1924, a noted professor at Tokyo University died after suffering a stroke. He was mourned and then, as we say in the 21st century, life moved on.
That is, it moved on for everyone but his dog, Hachi-ko, who continued to meet his master's 4 o'clock commuter train at Shibuya station every day for the next nine years. The dog's intense loyalty became the subject of newspaper articles—he was eventually honored with a bronze statue and a postage stamp.
Hachi-ko was an Akita, an ancient breed beloved by samurai warriors.
Click here a book review on saving the breed (circa 1940s)