This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
In 1991, Adventist Frontier Missions sent Brad and Cathie Jolly to Mongolia, then newly open after the collapse of its Communist government and home to fewer than ten known Christians and no Seventh-day Adventists at all. The Jollys began holding meetings in their own Ulaanbaatar apartment, the first organized Adventist outreach the country had ever seen.
Bold Batsukh, a former Buddhist monk, met the Jollys at those apartment meetings and became an early convert to the new faith. His conversion opened the way for others, and the first Mongolian Seventh-day Adventist believers were baptized in 1993, two years after the Jollys had arrived with no local congregation to build on at all.
Growth continued through the decade that followed. In November 1997 the first Mongolian Adventist church was organized with twenty six charter members, and on 9 January 1998 the young Mongolian work was formally incorporated into the Northern Asia-Pacific Division of the world church, giving it a recognized place inside the denomination's own structure.
What the Jollys' 1991 arrival changed for Adventism's spread was carrying the faith into a country that had held no Seventh-day Adventists at all, building in seven years from two missionaries in an apartment to a chartered congregation formally received into the world church's Northern Asia-Pacific Division.