This August the Church is celebrating 135 years of Primary, a program for children that began in Farmington, Utah, in 1878. Today, approximately one million children all over the world benefit from Primary each week in their wards and branches.
"The Primary program has allowed children all over the world to experience the Spirit weekly through engaged learning and music. We express our gratitude to parents and Primary leaders and teachers.” —Primary general presidency"
Read more about Primary at Church website here