Religious education was the main issue faced by irreligion in Latvia during the early 20th century, though marriage, divorce, and baptism also saw secular government regulation.
Pēteris Stučka, Jānis Sudrabkalns and Andrejs Upīts were notable contributors to irreligious ideas during this period.
[3] Following the 1934 Latvian coup d'état, religion and irreligion were both restricted, with the church controlled by the dictatorship of Kārlis Ulmanis.
After World War II, Latvia was occupied by the Soviet Union and state atheism was established.
Latgale retained its Catholic character during this time, so attempts to spread atheist propaganda in this area were expanded in the 1950s.