- June–October 1960 • Salt Lake City, Utah
The First Presidency commissioned an assessment about sending missionaries to Ecuador and concluded that further efforts should wait until conditions improved.
- October 3–5, 1963 • Quito, Ecuador
Elder A. Theodore Tuttle of the Council of the Seventy, supervisor of South American missions, and Sterling Nicolaysen, president of the Andes Mission, traveled to Quito to initiate legal registrations for the Church.
- December 10–11, 1964 • Quito
Elder Boyd K. Packer, Assistant to the Twelve, visited Quito with Elder Tuttle. Overlooking the city from their hotel window, the two envisioned the site of a future temple and “even agreed on the spot where it should be built.”
- October 4, 1965 • Quito
Missionaries from the Andes Mission arrived in Ecuador.
- October 6, 1965 • Salt Lake City
Elder Spencer W. Kimball of the Quorum of the Twelve Apostles met with Church President David O. McKay and pointed to Ecuador on a map, telling President McKay of “millions of Indians, and the Altiplano of the Andes range” and how he believed “the time of the Lamanite has come for them to hear the gospel.” McKay gave his blessing for Kimball to organize the Church in Ecuador and Bolivia.
- October 31, 1965 • Quito
The first baptismal service in Ecuador was held. Those baptized included the Alonzo Gonzalo and Ana María Baquero family, the Manuel and Mercedes Cruz family, and the Gonzalo and Gloria Tejada family.
- January 22–February 12, 1966 • Quito
In a basketball tournament of 15 teams, hosted by the YMCA, missionaries competed as team “Misioneros Mormones” and received extensive publicity in two major newspapers, Últimas Noticias and El Comercio.
- Late January 1966 • Guayaquil, Ecuador
Missionaries held the first sacrament meeting in Guayaquil.
- March 1, 1966 • Otavalo and Ibarra, Ecuador
Missionaries arrived in Otavalo. Within weeks, printed notices appeared in nearby Ibarra warning residents to avoid Latter-day Saints and a few other proselytizing sects.
- March 6, 1966 • Otavalo
The first branch meeting was held in Otavalo, attended only by the missionaries and Manuel Macías Caseras. Within the year, the branch grew to more than 18 members.
- April 1, 1966 • Guayaquil
The Sotomayor family became the first members of the Church from Guayaquil.
- May 1966 • Guayaquil and Quito
Spencer W. Kimball visited Ecuador and held conferences in Guayaquil and in Quito. While in Quito, Kimball met Ecuador’s president, Clemente Yerovi, and appeared in television interviews.
- June 5, 1966 • Otavalo
The José and Rosa Bautista family became the first members in Otavalo.
- May 29, 1967 • Peguche, Ecuador
Spencer W. Kimball visited Ecuador again and preached on a hillside about the Book of Mormon to a mostly Otavalan audience.
- February 1, 1968 • Quito
J. Avril Jesperson, mission president, reviewed and selected the site for the first Church meetinghouse to be built in Ecuador.
- February 3–8, 1969 • Ambato, Ecuador
The first missionaries in Ambato participated in an exposition that included the governor of the province and the mayor of the city. The first Church meetings in Ambato were held.
- August 1970 • Quito
The Ecuador Mission was organized.
- June 4, 1978 • Guayaquil
The first stake in Ecuador was organized, with Lorenzo Garaycoa as president.
- August 22, 1979 • Quito
The first stake in Quito was organized.
- January 19–24, 1980 • Otavalo
The first meetinghouse in Otavalo was dedicated.
- December 6, 1981 • Otavalo
The Otavalo Ecuador Stake was organized. It was the first stake in South America with an almost entirely indigenous American membership.
- March 31, 1982 • Salt Lake City
The First Presidency announced plans to build a temple in Guayaquil, Ecuador. Originally conceived as part of a smaller temple design, this temple was upgraded during planning and became the largest in South America.
- July 1985 • Maracaibo, Venezuela
César Hugo Cacuango became the first Ecuadorian to serve as a mission president.
- November 10, 1986 • Quito
Over 300 single adults attended the opening social of the first institute of religion in Ecuador. University students from as far away as Ibarra and Riobamba enrolled in classes.
- August 10, 1996 • Guayaquil
Fourteen years after plans were announced, ground was broken for the construction of the Guayaquil Ecuador Temple.
- August 11, 1997 • Guayaquil and Quito
President Gordon B. Hinckley visited Ecuador, the first time a current Church President visited the country.
- June 22–July 17, 1999 • Guayaquil
Over 108,000 people toured the newly completed Guayaquil Ecuador Temple in an open house.
- 1999 • Cuenca, Ecuador
Latter-day Saints assisted in humanitarian service with an orphanage of children with special needs in Cuenca. The initial effort grew to support more than a dozen orphanages within a few years.
- December 25–27, 2003 • Otavalo
The Otavalo stake choir was invited to perform at the community Christmas celebration in the Parque de Simon Bolívar, the beginning of an annual tradition of participation.
- January 2008 • Ecuadorian coast
In response to severe flooding in Esmeraldas, Guayas, Los Ríos, and Manabí, the Church assisted in relief efforts by lending goods, medicine, and construction materials and by opening meetinghouses to serve as shelters for displaced families.
- June 2012 • Quito
In a national address, Ecuador president Rafael Correa praised the Latter-day Saints for their family values and humanitarian service.
- April 2016 • Portoviejo, Ecuador
The Church and its members worked alongside neighbors and civil authorities to provide relief after a devastating earthquake.
- April 3, 2016 • Salt Lake City
Church President Thomas S. Monson announced plans to build a temple in Quito.