Editing September 12 (section)

==Holidays and observances==
* Christian [[Calendar of saints|feast day]]:
** [[Ailbe of Emly|Ailbe (Elvis, Eilfyw) of Emly]]<ref>{{cite book |last1=Cooper |first1=J. C. |title=Dictionary of Christianity |date=2013 |location=Abingdon, Oxon |isbn=9781315074047 |page=5}}</ref>
** [[Ebontius]]
** [[Guy of Anderlecht]]
** [[The Most Holy Name of the Blessed Virgin Mary]]
** [[John Henry Hobart]] ([[Episcopal Church (USA)]])
** [[Laisrén mac Nad Froích]]
** [[Sacerdos of Lyon]]
** [[September 12 (Eastern Orthodox liturgics)]]
* Commemoration of the mass hanging of the [[Saint Patrick's Battalion]] (Mexico)
* [[Day of Conception]] (Russia)
* [[Defenders Day (Maryland)|Defenders Day]] ([[Maryland]], United States)
* [[Enkutatash]] falls on this day if it is a leap year. Celebrated on the first day of [[Ethiopian calendar|Mäskäräm]]. ([[Ethiopia]], [[Eritrea]], [[Rastafari]])
* [[Nayrouz]] ([[Coptic Orthodox Church]]) (leap years only, September 11 on normal years) 
* [[Public holidays in Cape Verde|National Day]] ([[Cape Verde]])
* [[National Day of Encouragement]] (United States)
* [[Battle of Saragarhi#Saragarhi Day|Saragarhi Day]] ([[Sikhism]])
* [[UNRIC#UN international days and observances|United Nations Day for South–South Cooperation]] ([[International observance|International]])<ref>{{cite web |title=International Days |url=https://www.un.org/en/sections/observances/international-days/ |publisher=UN |access-date=2 January 2021 |language=en |date=6 January 2015}}</ref>