Short answers, pulled from the story.
The Bank of Japan was formally founded on the 10th of October 1882 through the Bank of Japan Act. Finance minister Matsukata Masayoshi proposed creating the institution in March 1882 before its establishment.
Tatsuno Kingo designed the Tokyo headquarters building which was completed in 1896 under Shibusawa Eiichi direction. The site housed former gold mint Kinza near famous Ginza silver mint district.
Haruhiko Kuroda announced a new quantitative easing program while serving as head of the Bank of Japan starting the 5th of April 2013. The bank purchased securities and bonds at 60-70 trillion yen annually to double Japan's money base within two years.
By 1883 all national banks lost their right to issue banknotes allowing the Bank of Japan to gain monopoly control over money supply in 1884. Convertible bank note regulations passed in May 1884 enabling first issuance in 1885.
The Bank of Japan ended eight years of negative rates following announcements about 5% wage growth by major companies in 2024. The institution set short term targets between 0 and 0.1 percent after this decision.