- July–August 1911 • Laibach, Austria (later Ljubljana, Slovenia)
John Stosich (Janko Stošić), a missionary in the Swiss-German Mission, preached in Laibach (Ljubljana).
- March 26, 1972 • Salt Lake City, Utah
Krešimir Ćosić, who had joined the Church while studying at Brigham Young University, was set apart as a special missionary to Yugoslavia by Elder Gordon B. Hinckley of the Quorum of the Twelve Apostles. His assignment was to build up the Church in his homeland over the course of his basketball career.
- 1972 • Ljubljana
The first Church meetings in Slovenia were held in the Jerald and Karen Bradshaw home, with a member named Maria Gruden in attendance.
- 1974–75 • Ljubljana and Maribor, Slovenia
Neil D. Schaerrer, president of the Austria Vienna Mission, met with officials in the cities of Ljubljana and Maribor to explore opportunities for the Church to be introduced in the area.
- October 31, 1985 • Zagreb, Yugoslavia
Elder Thomas S. Monson of the Quorum of the Twelve Apostles offered a prayer dedicating the land of Yugoslavia for the preaching of the gospel.
- November 1990 • Ljubljana
The first missionaries to be assigned to Slovenia, Jeffrey Moore and Nyal Bodily of the Austria Vienna East Mission, arrived in Ljubljana.
- March 1, 1991 • Slovenia
The Church received official recognition in Slovenia.
- March 30, 1991 • Ljubljana
Suzana Klenovšek became the first convert to be baptized in Slovenia.
- June 25, 1991 • Slovenia
Slovenia declared its independence from Yugoslavia, which led to the Ten-Day War. Missionaries were evacuated but returned in August.
- December 22, 1991 • Ljubljana
The Ljubljana Branch was organized, with Albin Lotrič as president.
- August 16, 1992 • Ljubljana
The Ljubljana Slovenia District was organized.
- September 1992 • Celje and Maribor, Slovenia
The Celje and Maribor Branches were organized.
- June 1993 • Frankfurt, Germany
The first group of Saints from Slovenia joined with Saints from Croatia to attend the Frankfurt Germany Temple.
- September 15, 1993 • Slovenia
Matjaž Juhart became the first Slovene to serve a full-time mission. He served in the Salt Lake City Mission.
- 1997 • Slovenia
Leon Bergant left the Slovene National Bike Team to serve a full-time mission in Croatia.
- April 1998 • Ljubljana
Albin Lotrič became the first Slovene to be called as president of the Ljubljana Slovenia District.
- May 2002 • Slovenia
The Book of Mormon was published in Slovene.
- 2006 • Ljubljana
A family history center was established in Ljubljana. Church members prepared over 200 of their ancestors’ names for their next temple trip.
- September 21, 2008 • Ljubljana
The first Church-built meetinghouse in Slovenia was dedicated. Over 400 visitors attended the open house that followed.
- October 2017 • Salt Lake City
Plans to translate the triple combination—the Book of Mormon, Doctrine and Covenants, and Pearl of Great Price—into Slovene were announced.