1990
Aug. Iraq invaded Kuwait.
Oct. The Federal republic of Germany was established.
Jan.8 Aiming at the residence of Prince Tokiwa, Chukaku-ha shot shell bombs from a time set launcher installed in a car parked in a construction site in Shibuya Ward in Tokyo; they fell in the parking lot of Japan Coca Cola headquarter and the residence hall of the Imperial Household Agency across the street from the target. About the same time, similar shell bombs were shot from a shrine near Kyoto Imperial Palace; they fell near the palace.
Jan.16 With a time ignite device, Chukaku-ha burnt the office and three other buildings of Mitsui Construction that was involved in the construction of Narita Airport, in Atsugi City in Kanagawa Prefecture.
Jan.23 With a time ignite device, Chukaku-ha burnt the passenger seats of the six lines of JR and a line of Keisei line around Tokyo area.
Jan.30 Atsuta-ha of the Anti-Narita Air Port Alliance had a talk with the government representatives, including the minister of Transportation, Eto.
Feb.19 With a time ignite device, Chukaku-ha burnt part of the home and the car of the director of information administration of the Ministry of Transportation in Yachiyo City in Chiba Prefecture.
Feb.27 With a time ignite device, Chukaku-ha burnt part of the home of the president of Shimizu Construction that was involved in the construction of Narita Airport, in Setagaya Ward in Tokyo.
Mar.7 With a time ignite device, Chukaku-ha burnt part of the home of the managing director of the New Kansai Airport Corporation, in Habikino City in Osaka.
Mar.14 With a time ignite device, Chukaku-ha burnt cars parked in an underground parking lot of a building in Akasaka Ward in Tokyo; the cars belonged to the Nuclear Energy Development Corporation. A fireman of the Tokyo Fire Defense Agency was killed during the rescue mission.
Mar.19 With a time ignite device, Chukaku-ha burnt three shrines (Hikawa Shrine in Numabukuro, Nakano Ward, Shinmei Shrine in Funabashi, Setagaya ward, and Shirahige Shrine in Higashi Muko-jima in Sumida Ward) in Tokyo area.
Mar.19 Allowed by the New Narita Legislation [Narita Shin-po], the government (the Ministry of Transport and the Airport Public Corporation) forcibly removed the base of Chukaku-ha located in the site of Narita Airport expansion.
Mar.22 With a time ignite device, Chukaku-ha burnt a garage of the residence of Japan Airline’s President at large (kai-cho), and a garage of the residence of All Nippon Air’s president.
Apr.12 With a time ignite device, Chukaku-ha burnt the entire home of the managing director of the Nihon Hikoki in Kamakura in Kanagawa Prefecture; his wife was killed and the director was heavily injured.

1991
Jan.17 The first Gulf War.
Apr.26 The minesweepers of the Maritime Self-Defense Forces of Japan went to Persian Gulf.