1990 in Japan

Incumbents

• Emperor: Akihito
• Prime Minister: Toshiki Kaifu
• Chief Cabinet Secretary: Mayumi Moriyama until February 28, Misoji Sakamoto
• Chief Justice of the Supreme Court: Kōichi Yaguchi until February 19, Ryōhachi Kusaba from February 20
• President of the House of Representatives: Hajime Tamura until January 24, Yoshio Sakurauchi from February 27
• President of the House of Councillors: Yoshihiko Tsuchiya
• Diet sessions: 117th, 118th, 119th, 120th

  Events

• February 18: Elections for the House of Representatives.
• February 28: Second Kaifu cabinet formed.
• March 10: Keiyo Line opens between Tokyo and Chiba.
• March 18: A supermarket store fire in Amagasaki, Hyogo Prefecture, according to official confirmed report; 15 fatalities, with 6 people injured.
• April 1: International Flower Exposition opens in Osaka.
• June 29: Fumihito, Prince Akishino, second son of Emperor Akihito, weds Kiko Kawashima.
• July 2: A heavy torrential rain and landslide hit in Aso-Kujyu area, part of Oita Prefecture and Kumamoto Prefecture, according to Fire and Disaster Management agency official confirmed report, 32 person fatalities with 109 person injures.
• August 13: Orix Braves baseball team announces that it will move to Kobe and become the Orix Blue Wave.
• September 19 - 20: According to Fire and Disaster Management Agency official confirmed report, Typhoon Flo, hit powerful strong wind, flash flood, tornado hit in around Honshu, total 44 person were death, 197 person were hurt.
• September 27: A MBB/Kawasaki BK 117 helicopter crash into mountain in Hyuga, Miyazaki Prefecture, according to Japan Transport Safety Board official confirmed report, 10 persons were lost to lives.
• November 12: Akihito is enthroned as Emperor of Japan.
• November 21: Nintendo releases its second video game console, the Super Famicom, in Japan.
• December 29: Kaifu cabinet reshuffled.

  Births

• January 24
• *Mao Abe, singer-songwriter
• *Ryosuke Irie, swimmer
• January 31: Kota Yabu singer and actor
• February 4: Haruka Tomatsu, voice actress
• February 15
• *Masashi Ebinuma, judoka
• *Rina Sumioka, singer-songwriter.
• March 11: Ryosuke Kikuchi, professional baseball player
• March 17: Tamamori Yuta, actor and singer
• March 24: Izumi Kato, swimmer
• March 26: Yuya Takaki, actor and singer
• April 5: Haruma Miura, actor and singer
• April 16: Risa Honma, idol
• June 1: Rie Murakawa, voice actress and singer
• June 15: Miwa, singer
• June 22: Kei Inoo, singer and actor
• June 29: Sayuri Sugawara, singer
• July 3: Nana Iwasaka, volleyball player
• July 11: Risa Shinnabe, volleyball player
• July 21: Sayuri Iwata, model
• August 3: Chiemi Blouson, comedian
• August 6: Natsuko Aso, actress and singer
• August 13: Sae Miyazawa, idol
• September 19: Saki Fukuda, actress
• September 25: Mao Asada, figure skater
• September 27: Atsumi Tanezaki, voice actress
• November 12: Hideto Asamura, professional baseball player
• November 15
• *Kanata Hongō, actor and model
• *Erika Yazawa, gravure idol
• December 2: Hikaru Yaotome, singer and songwriter
• December 10: Shoya Tomizawa, motorcycle rider
• December 20: Minami Takahashi, voice actress
• December 22: Chika Anzai, voice actress
• December 23: Yu Horiuchi, wrestler

  Deaths

• January 20: Prince Higashikuni, prime minister of Japan
• June 13: Michiyo Kogure, film actress
• June 15: Nobuo Arai, swimmer
• July 23: Kenjiro Takayanagi, television engineer, creator of the world's first all-electronic television receiver
• September 1: Edwin O. Reischauer, former U.S. ambassador
• September 25: Togyu Okumura, modern painter
• November 5: Shunkichi Kikuchi, photographer
• December 4: Naoto Tajima, athlete
• December 28: Seiji Hisamatsu, film director

  Statistics

• Yen value: US$1 = ¥129 to ¥159