Question: On what date did the massacre in which the Piegan warrior known as "kyaiyotokan" survived occur?

Context paragraphs:
2010 San Fernando massacre: The 2010 San Fernando massacre, also known as the first massacre of San Fernando, was the mass murder of 72 illegal immigrants by Los Zetas drug cartel in the village of El Huizachal in the municipality of San Fernando, Tamaulipas, Mexico.  The 72 killed—58 men and 14 women—were mainly from Central and South America, and they were shot in the back of the head and then piled up together.  The bodies were found inside a ranch on 24 August 2010 by the Mexican military after they engaged in an armed confrontation with members of a drug cartel.  They received information of the place after an Ecuadorian survived a shot to the neck and face, faked his death, and then made his way out of the ranch and up to a military checkout to ask for help.  There were only three survivors.  Investigators later mentioned that the massacre was a result of the immigrants' refusal to work for Los Zetas, or to provide money for their release.

Tekkaman Blade: Tekkaman Blade (Japanese: 宇宙の騎士テッカマンブレード , Hepburn: Uchū no Kishi Tekkaman Burēdo ) is a 1992 Japanese anime television series produced by Tatsunoko Production and Sotsu Agency.  The series was directed by Hiroshi Negishi and written by Mayori Sekijima and Satoru Akahori.  The story follows an organization called the Space Knights and their war against aliens known as the Radam.  The Space Knights are assisted by Takaya Aiba, who has the ability to transform into an armored warrior known as Tekkaman Blade.

Devayat Bodar: Devayat Bodar (circa 900 AD – 1025 AD) was an Ahir warrior known for his bravery, sacrifice and love of his motherland, with the help of whom Ra Navghan, the Chudasama ruler of Junagadh and father of Ra Khengar, had taken the throne of Junagadh.

La Pucelle (violin): La Pucelle, also known as The Virgin, is a 1709 violin made by Antonio Stradivari.  It was Parisian dealer, luthier and maker Jean-Baptiste Vuillaume who gave the instrument its name.  In the mid-19th century, Vuillaume disassembled the instrument for maintenance and observed, to his amazement, that the violin had remained untouched since it left Stradivari's workshop.  He exclaimed, ""C'est comme une pucelle!""  (It's like a virgin.)  The name stuck and that has been the violin's name ever since.  It was Vuillaume who created the instrument's elegant tailpiece carved with the image of a woman in armor, Joan of Arc, the virgin warrior known as ""La Pucelle d'Orléans"".  Vuillaume also created the instrument's elaborately carved pegs.

Asipa: Asipa is a town in Ife North Local Government area, Osun State, Nigeria.  It was founded by a warrior known as Fasina from Ile-Ife, an ancient Yoruba city.

Almost-a-Dog Mountain: Almost-a-Dog Mountain (8922 ft ) is located in the Lewis Range, Glacier National Park in the U.S. state of Montana.  The mountain is named for a Blackfoot warrior "Almost A Dog" or "Imazí-imita" who was a survivor of the 1870 Marias Massacre.  Although his entire family perished in the attack, he survived but was crippled for life.  He also survived the so-called "Winter of Starvation" in 1883-84.

Marias Massacre: The Marias Massacre (also known as the Baker Massacre or the Piegan Massacre) was a massacre of a friendly band of Piegan Blackfeet Indians on January 23, 1870, by the United States Army in Montana Territory during the Indian Wars.  About 200 Indians were killed, mostly women, children, and elderly men.

Luanda Magere: Folklore of the Luo peoples of Kenya speaks of a mighty warrior known as Luanda Magere (Alternative spelling is Lwanda).  He belonged to the Sidho clan in Kano, and he was believed to have once walked the shores of the Lake Victoria.  The Sidho clan occupies the present sugar belt at the foot of the Nandi escarpment.  He was possessed of unearthly powers, and his flesh was made of stone.  Arrows, spears and clubs simply deflected from his body, making him invincible during warfare.  He was famously known for his capability to tear an entire army apart.

Nauryzbai Batyr: Nauryzbai Batyr 1706-1781, (Kutpanbet-Uly Nauryzbai, Shaprashty Nauryzbai) was a Khazak batyr or warrior known for fighting against the Dzungars in the Dzhungar-Kazakh wars.  Nauryzbai was one of three standard-bearers of Abylai-khan, the army commander.  He was born in the Zhalpaktas-Seriktas district, now a territory of the Zhambylsk region in Almaty, in 1706.  "Batyr" is an honorific granted to Khazak commoners who obtained glory in battle.

Bearhead Mountain (Montana): Bearhead Mountain (8406 ft ) is located in the Lewis Range, Glacier National Park in the U.S. state of Montana.  The mountain is named for "kyáiyótokan", a Piegan warrior known for his war against the dreaded Assiniboine "White Dog".  "kyáiyótokan" was also a survivor of the Marias Massacre and the brother of "Chief Heavy Runner" a confidant of Glacier author James Willard Schultz.

Supporting paragraphs: Bearhead Mountain (Montana) Marias Massacre
Answer: January 23, 1870