|The Tokyo Nichi Nichi Shimbun is founded in Asakusa, Tokyo. It is Tokyo’s first daily newspaper, and the predecessor to the Mainichi Shimbun.
|The paper begins the world’s first home delivery service.
|Feb. 20, 1876
|Osaka Nippo is founded.
|Osaka Nippo becomes the Osaka Mainichi Shimbun.
|The national junior high school football tournament, now the national high school rugby tournament, sponsored by The Mainichi Newspapers, is held for the first time.
|The Mainichi Shimbun inaugurates the Sunday Mainichi weekly magazine, the English-language Mainichi, and the Braille Mainichi.
|The national junior high school invitational baseball tournament, now the National High School Baseball Invitational Tournament, sponsored by The Mainichi Newspapers, is held for the first time.
|Dr. Inazo Nitobe is invited as an adviser to the head office of The Mainichi Newspapers.
|The Mainichi Shogakusei Shimbun, a newspaper for elementary students, is inaugurated.
|The Mainichi Newspapers begins awarding frames for pictures of the winners of Japan’s grand sumo tournaments.
|The mastheads of the Osaka Mainichi Shimbun and Tokyo Nichi Nichi Shimbun are unified under the name Mainichi Shimbun.
|The Mainichi Newspapers’ Tokyo head office is moved from Yurakucho to the new “Palaceside Building” in Takebashi.
|The Mainichi Shimbun becomes the first Japanese national paper to include bylines with all its articles in principle.
|The Mainichi Newspapers obtains “ISO 14001” environmental standards certification.
|The Mainichi Newspapers establishes a holding company with Sports Nippon Newspapers.