Editing 1937 (section)

===March===
{{Main|March 1937}}
* [[March 10]] (dated [[March 14]] ([[Passion Sunday]])) – The [[encyclical]] ''[[Mit brennender Sorge]]'' ("With burning concern") of [[Pope Pius XI]] is published in Germany in the German language. Largely the work of Cardinals [[Michael von Faulhaber|von Faulhaber]] and [[Pope Pius XII|Pacelli]], it condemns breaches of the [[1933]] [[Reichskonkordat]] agreement signed between the Nazi government and the [[Catholic Church]], and criticises [[Nazism]]'s views on race and other matters incompatible with Catholicism. 
* [[March 18]] – [[New London School explosion]]: In the worst school disaster in American history in terms of lives lost, the New London School in [[New London, Texas]], suffers a catastrophic [[natural gas]] explosion, killing in excess of 295 students and teachers. [[Mother Frances Hospital]] opens in [[Tyler, Texas]], a day ahead of schedule, in response to the explosion.
* [[March 19]] – The encyclical ''[[Divini Redemptoris]]'' of [[Pope Pius XI]], critical of [[communism]], is published.
* [[March 21]] – [[Ponce massacre]]: A police squad, acting under orders from [[Governor of Puerto Rico]] [[Blanton Winship]], opens fire on peaceful demonstrators protesting at the arrest of [[Puerto Rican Nationalist Party]] leader [[Pedro Albizu Campos]], killing 17 people and injuring over 200.