What happened 31 January in Japan

From January 7 until January 31, the Emperor's formal appellation was "Departed Emperor." His definitive posthumous name, Shōwa Tennō, was determined on January 13 and formally released on January 31 by Toshiki Kaifu, the prime minister.

On January 31, 2018, Xerox announced that Fujifilm had agreed to acquire a 50.1% controlling stake in the company for US$6.1 billion, which was to be combined into their existing joint venture Fuji Xerox (having a value of $18 billion post-acquisition).