[4] First Polish teachers trade unions date to 1905, the year that marks the period of unrest known as the Revolution in the Kingdom of Poland (1905–1907).
[1] In the 1930s, ZNP, numbering over 50,000 members before World War II, and being the largest Polish association and trade union for educators, became increasingly influenced by socialists, which caused it to be eventually suspended by the conservative and right-leaning Polish government.
[1][5] The Organization was created towards the end of October 1939 in Warsaw response to German closure of most Polish educational institutions and repressions against teachers.
[4] Nonetheless, it remained and is currently the largest Polish trade union for teachers and educators.
[4] On day-to-day basis, the Main Office takes care of the routine organizational activities.