Secret Teaching Organization
... that in light of the Nazi Germany attempt to destroy Polish culture, the Secret Teaching Organization created an underground education system with over a million students?
... that in light of the <a href="./Nazi_Germany" id="mwCYE" rel="mw:WikiLink" title="Nazi Germany">Nazi Germany</a> <a href="./Polish_culture_during_World_War_II" id="mwCYI" rel="mw:WikiLink" title="Polish culture during World War II">attempt to destroy Polish culture</a>, the <b id="mwCYM"><a href="./Secret_Teaching_Organization" id="mwCYQ" rel="mw:WikiLink" title="Secret Teaching Organization">Secret Teaching Organization</a></b> created <a href="./Education_in_Poland_during_World_War_II" id="mwCYU" rel="mw:WikiLink" title="Education in Poland during World War II">an underground education system</a> with over a million students?