Complex sentence: In 1980, the general presidents of the Relief Society, Young Women and Primary were invited to sit on the stand during general conference and in 1984 women spoke in general conference for the first time since 1930.
Split into simpler sentences: In 1980, the general presidents of the Relief Society, Young Women, and Primary were invited on the stand during general conference. In 1984, women spoke in general conference for the first time since 1930.