The Great Kantō earthquake struck Japan.
During World War I, Japan officially declared war on Germany.
The first female students were enrolled at a University in Japan.
The first taxicab service started operating in Tokyo, Japan.
The first-ever Japanese patent was issued.
Mount Asama erupted in Japan, killing around 1,400 people.
The government executed a group of Japanese Catholic Christians (known as the 26 Martyrs) as they were deemed too dangerous to Japan's way of life.