Like the other Kata of Goju-Ryu, Sanchin can be found in several Chinese arts (San Jan), particularly the southern styles including four styles of Crane Boxing, Dragon Boxing, Tiger Boxing, Lion Boxing, Dog or Ground Boxing and Monk Fist.
http://www.uchinadi-kan.org/kata/katalist.html
Okinawa Karate Center Homepage. One of two heishu  Kata of Goju-Ryu, Sanchin is probably the most misunderstood Kata in all of Karate. In contrast, it is probably the single most valuable training exercise in Goju-Ryu.
http://www.uchinadi-kan.org/kata/katalist.html
Gekisai Dai Ichi. This kata was created by Miyagi Sensei in 1940 out of his desire to popularise Goju Ryu within the high school system in Okinawa. It is interesting to note that this kata finishes with a step forwards.
http://www.otgka.co.uk/kata.html
Gekisai Di Ni - Kaishugata. Performed by: Sensei Morio Higaonna Created at the same time of Gekisai dai Ichi it also translates as 'to destroy' part 2. This Kata introduces and develops Tora guchi (tiger mouth block) and Neko ashi dachi (Cat stance) which is a common feature of higher level Kata.
http://www.iogkf.com/resources/kata
1 Gekisai dai-ni (second “attack and smash” kata). Both of the Gekisai kata were created by Chojun Miyagi as a gentler introduction to kata.  Saifa (tear and destroy). Traditional kata of chinese origin brought to Okinawa by Kanryo Higaonna.
http://karate.org.nz/about-iogkfnz/goju-ryu-karate/goju-ryu-kata/
The Gekisai Kata were formulated by Chojun Miyagi Sensei in 1940 as a form of physical exercise for high school boys and to help popularize Goju-Ryu among the public of Okinawa. In 1948, after WWII, Miyagi Sensei began to teach the Gekisai Kata in depth as a regular part of Goju-Ryu in his own dojo.
http://www.uchinadi-kan.org/kata/katalist.html
1 Sanchin (three battles) – the fundamental kata of Goju Ryu. The form generally practised is a variation of Kanryo Higaonna’s kata that Chojun Miyagi chose to balance movements.  Tensho (turning or flowing hands). Created by Chojun Miyagi, and is derived from a softer chinese form of sanchin.
http://karate.org.nz/about-iogkfnz/goju-ryu-karate/goju-ryu-kata/
Okinawan Goju Ryu Kata. To destroy introduction number one. This kata was created by Miyagi Sensei in 1940 out of his desire to popularise Goju Ryu within the high school system in Okinawa. It is interesting to note that this kata finishes with a step forwards.
http://www.otgka.co.uk/kata.html
Sanchin & Shime - Haishugata. Kata by: Sensei Ernie Molyneux Shime by: Sensei Morio Higaonna ​Sanchin is the breathing and bedrock Kata of the Goju-ryu system. Using the Tanden Kokyu breathing method co-ordinated with movements of the hands. Shime 'slapping test' is for black belts and only after years of practice and building up.
http://www.iogkf.com/resources/kata
Fukyugata is the name of kata practiced in many styles of Okinawan karate, particularly Matsubayashi-ryu. There are two Fukyugata. Shoshin Nagamine (Matsubayashi-ryu) created Fukyugata Ichi and Chojun Miyagi (Goju-ryu) created Fukyugata Ni, or Gekisai Ichi. They were developed as beginner kata because the more traditional kata were too difficult for beginners. In some styles of karate, the kata are known as Fukyu.
https://en.wikipedia.org/wiki/Fukyugata
when was goju ryu created
Goju Ryu was created in 1940. The Goju Ryu was created in 1940.