1982 – AJPW – The First Tiger Mask defeated Dynamite Kid for the vacant WWF Junior Heavyweight Championship.
2004 – AJPW – Great Kosuke (Satoshi Kojima) & Shiryu (Kaz Hayashi) win the Asia Tag Championships.
1985 – AJPW – Atsushi Onita announces his retirement from professional wrestling due to a severe knee injury.
1986- The NJPW vs. UWF war begins with Akira Maeda, Nobuhiko Takada, and others invading the promotion with their own style of pro wrestling. The Strong Style war is in full effect.
1992 – NJPW – Riki Choshu defeated Tatsumi Fujinami, at the Tokyo Dome, to be crowned the IWGP Heavyweight Champion for the 3rd time in his career.
1992 would also mark the first year of the January 4 Tokyo Dome tradition being a set date for NJPW.
1995 – AJPW –
2003 – AJPW –
2004 – AJPW –
2005 – AJPW –
2008 – AJPW – Keiji Mutoh & Joe Doering capture the World Tag belts from Satoshi Kojima & TARU
2009 – AJPW – Keiji Mutoh & Masakatsu Funaki capture the World Tag belts from Taiyo Kea & Minoru Suzuki.
1994 – NJPW – Genichiro Tenryu becomes the first man to ever pin both Antonio Inoki and Giant Baba.
1998 – NJPW – Riki Choshu formally “retired” from active competition. (Only to return years later.)
1999 – NJPW – The infamous NJPW vs. UFO brawl takes place in the Tokyo Dome, as Shinya Hashimoto and Naoya Ogawa ended in a no contest, and the two continued fighting afterwards.
2000 – NJPW – Kensuke Sasaki defeated Genichiro Tenryu to be crowned the IWGP Heavyweight Champion.
2001 – NJPW – Kensuke Sasaki defeated Toshiaki Kawada for the vacant IWGP Heavyweight belt at the Tokyo Dome.
2003 – NJPW – Following a tournament set by Kazuyuki Fujita, who was opposed of the IWGP at the time, Yoshihiro Takayama becomes the NWF Heavyweight Champion after defeating Tsuyoshi Kosaka in the finals that was set months prior.
2004 – NJPW – The then reigning IWGP Heavyweight Champion Shinsuke Nakamura defeats the then current NWF Heavyweight Champion Yoshihiro Takayama to unify both titles as one.
2004 – The very first HUSTLE show is held at the Saitama Super Arena.
2007 -NJPW – The very first “WRESTLE KINGDOM” show was held, at the Tokyo Dome, this event was also in conjuction with All Japan Pro-Wrestling. Both promotions celebrating their 35th anniversaries.
2008 – NJPW – Shinsuke Nakamura captures the IWGP Heavyweight belt from Hiroyoshi Tenzan at the Tokyo Dome.
2009 – NJPW – Hiroshi Tanahashi defeats his long time mentor Keiji Mutoh to be crowned the IWGP Heavyweight Champion for the 3rd time in his career.
2009 – NJPW – TNA’s Motor City Machine Guns, Alex Shelley & Chris Sabin, capture the IWGP Jr. Tag belts from Yujiro & Tetsuya Naito at the Tokyo Dome.
2011 – NJPW – Hiroshi Tanahashi becomes a 4 time IWGP Heavyweight Champion after he defeated Satoshi Kojima at the Tokyo Dome.
1972 – NJPW – Antonio Inoki officially announced the formation of New Japan Pro-Wrestling.
2012 – NJPW – NJPW was acquired by Bushiroad. Takaaki Kidani is in turn made the active President and CEO of NJPW.
1986 – NJPW – The IWGP Junior Heavyweight belt was officially founded as Shiro Koshinaka defeated The Cobra at the Ryogoku Kokugikan to be crowned the first ever champion.
1988 – NJPW – New Japan’s first ever main Junior tournament was held, called the Top of the Super Jr. The event would later move on to be called the BEST OF THE SUPER Jr. tournament. Shiro Koshikawa won the tournament in 1988.
2008 – NJPW – This day saw an IWGP Unification match as Kurt Angle, holder of the 3rd Generation belt faced off against Shinsuke Nakamura who was holding the 2nd Generation belt. Nakamura would win the match and successfully bring the long lost belt back home and solidify himself as NJPW’s champion.
2012 – ALL TOGETHER 2, joint show between NJPW, AJPW, and NOAH is held in Sendai, Japan. Charity show for the Earthquake that struck this area of Japan in 2011.
1985 – NJPW – The very first ever “Young Lions Cup” was announced and held in Japan. Shunji Kosugi would go on to win the tournament a month and a half later on April 18.
2005 – NOAH – Takeshi Rikioh defeated Kenta Kobashi to become the GHC Heavyweight Champion, in the process ending Kobashi’s then recorded setting defense at 13 in total.
1972 – NJPW – New Japan held their first show ever in Ota, Japan. Main event was Antonio Inoki vs. Karl Gotch.
2007 – NJPW – New Japan introduces their own “Hall of Fame” with the NJPW Greatest Wrestlers Awards. Antonio Inoki, Seiji Sakaguchi, Kantaro Hoshino, and Kotetsu Yamamoto were the first wrestlers to be inducted.
2008 – NJPW – New Japan introduced a new IWGP Heavyweight belt, 4th generation belt, to the then current champion Shinsuke Nakamura.
1990 – NJPW – Seiji Sakaguchi officially retired from active competition.
1987 – NJPW – The IWGP Heavyweight belt was officially founded. Antonio Inoki defeated Masa Saito at the Ryogoku Kokugikan to be crowned the first champion.
1998 – NJPW – Antonio Inoki held his official retirement at the Tokyo Dome. This event set a record with 70,000 people in attendance to see one of the biggest names in the business in the ring one last time.
2000 – NJPW – Shinya Hashimoto was forced to retire following a loss to Naoya Ogawa. Hashimoto was a man of his word and accepted his fate, but this would not be the end… (Oct. 9)
1999 – NJPW – The first ever No-rope Barbed-wire Electric Current Blast Deathmatch took place in a NJPW ring, though not recognized as a NJPW sanctioned match. Asa Masahiro Chono faced off against Atsushi Onita. The match ended in a double KO.
NJPW & WWF held a Japan/USA Wrestling Summit at the Tokyo Dome.
2001 – NOAH – NOAH introduced their first singles title in the GHC Heavyweight Champion. On this day Mitsuharu Misawa would defeat Yoshihiro Takayama in the finals of the tournament to crown the very first champion.
1994 – NJPW – The SUPER J CUP was held for the first time ever. The tournament brought together many junior class wrestlers from throughout the world to compete. Wild Pegasus (Chris Benoit) holds the honor of the first ever winner.
2000 – NJPW – Masakazu Fukuda passed away following an head injury in the ring, following an elbow strike, a few days prior against Katsuyori Shibata. Fukuda would pass away from a subdural hematoma. This would mark the first ever case of a male Japanese Wrestling passing away from an in-ring accident.
1981 – Tiger Mask (first generation) makes his official debut in NJPW against the Dynamite Kid at the Kuramae Kokugikan.
2003 – NJPW – New Japan introduced the IWGP U-30 (Under 30 years old) and this day would see Hiroshi Tanahashi crowned as the first champion after he defeated Shinya (Togi) Makabe in the tournament finals.
1989 – NJPW – New Japan held its first ever show at the Tokyo Dome.
1989 – NJPW – Jushin Thunder Liger made his official debut. Liger successfully defeated Kuniaki Kobayashi.
2010 – NOAH – NOAH introduces their own single league called the “GLOBAL LEAGUE”, and on this day Yoshihiro Takayama defeated Jun Akiyama to become the first ever winner.
2010 – NJPW – The first ever “SUPER J TAG TOURNAMENT” is held in which Koji Kanemoto & El Samurai take the claim as the first ever winner.
1983 – NJPW – The finals of the very first IWGP League takes place. The match saw Hulk Hogan defeat Antonio Inoki, at the Kuramae Kokugikan, to win the League.
1994 – NJPW – New Japan’s junior tournament was officially renamed the BEST OF THE SUPER Jr. and Jushin Liger emerged the winner.
1984 – NJPW – Chaos ensued the Kuramae Kokugikan after the finals of the 2nd ever IWGP League, once again Inoki vs. Hogan, was abruptly ended by Riki Choshu. This caused a lot of the fans in attendance to in-turn create a riot by breaking chairs and even noted cases of fires being set in the building.
2009 – NOAH – Mitsuharu Misawa passed away on this day after falling unconscious due to undergoing cardiopulmonary arrest. Misawa was unable to move after taking a backdrop from Akitoshi Saito and he was confirmed to have passed while being transported to the local hospital in Hiroshima, Japan. Misawa was 46 year old.
2000 – AJPW – This day saw the major split between All Japan and what would become Pro Wrestling NOAH. Mitsuharu Misawa and 20+ other wrestlers/employees left AJPW to form the new promotion.
1981 – NJPW – The infamous Antonio Inoki vs. Mohammed Ali fight took place. Even though it holds the honor as one of the least exiting matches of all time, there is no denying the influence that it created.
2007 – IGF – Antonio Inoki announced the formation of his newest promoton IGF or Inoki Genome Federation, the held their first show on this day. Among the matches was Kurt Angle defeating Brock Lesnar for the “disputed” 3rd Generation IWGP Heavyweight belt.
2012 – NJPW & AJPW hold a joint 40th Anniversary show “Summer Night Fever in Ryogoku WE ARE PRO-WRESTLING LOVE!” at the Ryogoku Kokugikan.
2004 – NOAH – NOAH would hold its first ever show at the Tokyo Dome. The main event would see Kenta Kobashi successfully defending the GHC Heavyweight belt against Jun Akiyama, for his 9th defense. The event also showcased a dream match with Misawa/Taiyo Kea vs. Keiji Mutoh/Yoshinari Ogawa. Rusher Kimura also announced his retirement from active competition.
2004 – NOAH – Go Shiozaki made his debut as a professional wrestler.
2000 – NJPW – Riki Choshu would make his return to active competition, following his retirement just 2 years earlier, as he was repeatedly provoked by Atsushi Onita to return. This day would see Choshu return to face Onita in an No-rope Barbed-wire Electric Current Blast Death Match. Choshu would also claim the victory.
1996 – NJPW – Would see the formation of the Junior 8 Crown Championship as 8 junior champions all faced one another were only one man would walk as the undisputed junior heavyweight champion. The Great Sasuke would hold the honor as the first man to hold all the belts on this day. (IWGP Junior Heavyweight Championship, International Junior Heavyweight Championship, NWA World Junior Heavyweight Championship, NWA World Welterweight Championship, WWF World Light Heavyweight Championship, UWA World Junior Light Heavyweight Championship, WWA World Junior Light Heavyweight Championship, and the British Commonwealth Junior Heavyweight Championship)
1991 – NJPW – The very first ever G1 CLIMAX was held on this day. The tournament ran from August 7 to 11, and Masahiro Chono emerged as the very first winner.
1998 – NJPW – The IWGP Junior Tag Championship was brought into the promotion. Shinjiro Otani & Tatsuhito Takaiwa would be crowned the first ever champions after defeating Koji Kanemoto & Dr. Wagner Jr. at the Osaka Dome.
2000 – NJPW/AJPW – Masanobu Fuchi would make an appearance in NJPW in hopes of breaking down the barriers of tension between the All Japan and New Japan. Of course this followed the split of AJPW and what went on to form Pro Wrestling NOAH.
2000 – NOAH – NOAH would hold its debut show this fay at the Differ Ariake in Tokyo.
1979 – The first major “All-Star” game with NJPW, AJPW & International Wrestling was held in honor of the 20th anniversary of the Tokyo Sports Newspaper at the Nippon Budokan.
2011 – ALL TOGETHER – NJPW, AJPW & NOAH come together to hold a joint charity show for the victims of the Great East Japan Earthquake that struck Japan early in the same year. The show was a resounding success and saw the Nippon Budokan packed with supporters.
2003 – NJPW – The first ever steel cage (wire mesh) match is held in NJPW when Masashiro Chono faced off against Yoshihiro Takayama. Takayama would emerge the victor.
1982 – NJPW – Riki Choshu makes his return to Japan following an excursion to Mexico and declared war against Tatsumi Fujinami. The two would be rivals in the ring for years to come.
1995 – NJPW – Once more the NJPW vs. UWF was emerged and this day marked a joint show between the two promotions. The main event saw Keiji Mutoh defending the IWGP Heavyweight belt against Nobuhiko Takada.
2000 – NJPW – Due to the fans demanding his return, Shinya Hashimoto indeed returned to the ring against Tatsumi Fujinami in the Tokyo Dome. Hashimoto walked out the victor. With his return also came the formation of “New Japan Pro Wrestling ZERO”.
2001 – NJPW – A special event at the Tokyo Dome was held on this day, which saw a “50th Anniversary Special Match” between Yuji Nagata & NOAH’s Jun Akiyama taking on Keiji Mutoh & AJPW’s Hiroshi Hase. This would mark the first connections between NJPW and NOAH.
1972 – AJPW – All Japan held their first show ever at the Machida Gymnasium in Tokyo.
2012 – NJPW & AJPW hold a second 40th Anniversary show(s) in Taiwan. “We are Prowrestling LOVE! in TAIWAN”.
2004 – AJPW – Keiji Mutoh & Mitsuharu Misawa teamed together in a dream team match against Kensuke Sasaki & Hiroshi Hase at the Ryogoku Kokugikan.
2012 – NJPW – KUSHIDA & Alex Shelley win the first ever SUPER Jr. TAG TOURNAMENT.
2000 – NJPW – Conflicts began to rise between Hashimoto and Riki Choshu which started with Hashimoto looking to make “ZERO” an actual sub-promotion under NJPW. Choshu would have nothing of it and this would see Hashimoto released from NJPW on this day.
2005 – NJPW – New Japan falls under new ownership as they are sold to Yukes, as Inoki sold his 51.5% of controlling shares of stocks.
1987 – NJPW – Akira Maeda would be indefinitely suspended from NJPW after brutally (legit) kicking Riki Choshu in the face with a stiff kick. Maeda would ultimately be fired, on Feb. 1, 1988, due to the act.
2012 – NJPW – New Japan introduced the NEVER Openweight Championship, ZERO1’s Masato Tanaka is crowned the first ever champion after he defeated Karl Anderson at the SHIBUYA-AX in Tokyo, Japan.
2012 – NJPW – New Japan renames their “heavyweight” tag league to WORLD TAG LEAGUE and Hirooki Goto & Karl Anderson “Sword & Guns” win the tournament after defeating Lance Archer & Davey Boy Smith Jr.
1985 – NJPW – The IWGP Tag Team belts were officially founded with Tatsumi Fujinami & Kengo Kimura being crowned the very first champions.
1963 – “The father of Japanese Wrestling” Rikidozan passed away.
1987 – NJPW – Antonio Inoki took on the debuting Big Van Vader in a match that only lasted 3 minutes as Vader emerged as the dominating force. The reaction to Inoki’s loss, was actually more in part to Vader appearing out of nowhere, caused one of the worst riots in Japanese Pro Wrestling as fans destroyed chairs and threw trash into the ring. NJPW was banned from holding shows at the Kokugikan the following year. (http://youtu.be/agC6x7f73GA)