1991
　　Sep.- Mr. Mondo Secter, the president of the Santa Fe International Sister City Association, visited the International Goodwill Cities Association in Tokyo to find a sister city in Japan, and was introduced to the castle town Tsuyama. Tsuyama is similar to Santa Fe in population, geography and history. Both Tsuyama and Santa Fe are known for cultural preservation.

1992
　　May- Mr. Mond Secter asked Tsuyama about starting a sister city relationship.
　　Jul. - Mr. Sam Pick, the mayor of Santa Fe, wrote a letter to Tsuyama to promote a friendship exchange.
　　Sep. - The mayor of Tsuyama wrote to the mayor of Santa Fe that the citizens of Tsuyama wanted to promote a friendship exchange.

1993
　　May - The 10 person delegation from Santa Fe came to Tsuyama, visiting school and cultural facilities and having a home stay.
　　Jun. - 30 people from Miyasaka Tsuyama Coin Drams Preservation Group performed in Santa Fe during America Japan Week, which was held in Phoenix, Arizona. Two city officials went with them.
　　Oct. -An official delegation including Mayor Nagare and 2 city councilors visited Santa Fe.

1994
　　Feb.- The Tsuyama - Santa Fe Friendship Society was established.
　　Jul. -A 10 person music observation delegation, including a city official and a reporter, attended the Santa Fe Opera and the Santa Fe Chamber Music Festival.
　　Oct. - 32 Pueblo Indians from Santa Fe performed in Tsuyama.

1995
　　Apr.- An official delegation including Santa Fe Tsuyama Sister City Association President Mr. Arthur Olivas, Mayor Pro-tem Mr. Larry Delgado, and city councilors visited Tsuyama.
　　May-138 people from the Tsuyama area, including 6 city officials and the Foundation for the Arts, the editing section manager of Sanyo Newspaper, visited Santa Fe along with America Japan Week. An exhibition of traditional arts, crafts, and cultural events was held.

1996
　　Nov.- Music and art director Heiichiro Oyama and 3 players were invited to perform the Santa Fe Music Festival in Tsuyama.

1997
　　Aug.- The first delegation of 32 students visited Santa Fe, accompanied by 3 adults.
　　Sep.-　 Photo exhibition by the student delegation.
　　Sep.- Tsuyama Josai Hole Town Museum was held and Ms. Cordelia Colonado showed the weaving of Santa Fe.

1998
　　Aug.- A second student delegation of 22 students visited Santa Fe, accompanied by 2 adults.
　　Sep.-The second student delegation held a photo exhibition.

1999
　　Aug.- A third student delegation of 19 students visited Santa Fe, accompanied by 2 adults.

2000
　　May.- A private tour group of 15 people including 9 students came to Tsuyama and had homestays.
　　Aug.-The fourth student delegation of 32 students visited Santa Fe accompanied by 2 adults.
　　Sep.- The fourth student delegation held a photo exibition.
　　Nov.-Three councilors of Tusyama City visied Santa Fe and paid a courtesy court to Mayor Delgado and the councilors of Santa Fe.

2001　　
  　　Aug.-Hokuryo Junior High School started to have email excahnge with Monte del Sol Charter School through the intermediation of Mr. Arthur Olivas, President of Santa Fe Tsuyama Sister City Association. 
　　Sep.- Although an adult delegation to Santa Fe had been planned on October, it was called off because of the terrorism occurred in the States on September 11th.
　　Nov.- Mr. Arthur Olivas, President of Santa Fe Tsuyama Sister City Association, came to Tsuyama and visited the city hall and Hokuryo Junior High School.

2002
　　Aug.- The fifth student delegation of 12 students visited Santa Fe accompanied by an adults.
　　Sep.-The fifth student delegation held a photo exibition at the municipal library.

2003
　　May.- 14 students and one parent accompanied by one adult of Monte Del Sol Chater School visited Tsuyama for the first time. They visited  Hokuryo Junior High Shool and Sakuyo High School, had homestay at students' house of both schools.
　　Aug.- The seventh deligation of 8 students and 4 adults accompanied by one adult  visited Santa Fe.
 

2004
　　Jun.- 8 students accompanied by one adult of Monte Del Sol Chater School visited Tsuyama. They visited  Hokuryo Junior High Shool and Sakuyo High School, had homestay at students' house of both schools.
　　Aug.- The eighth deligation of 13 students and one adult accompanied by one adult  visited Santa Fe.