Editing June 21 (section)

==Holidays and observances==
*Christian [[feast day]]:
**[[Alban of Mainz]]
**[[Aloysius Gonzaga]]<ref name=Aloysius />
**[[Engelmund of Velsen]]
**[[Martin of Tongres]]
**[[Onesimos Nesib]] ([[Lutheran]])
**[[June 21 (Eastern Orthodox liturgics)]]
*[[Day of the Martyrs (Togo)]]
*[[Father's Day]] ([[Egypt]], [[Lebanon]], [[Jordan]], Syria, [[Uganda]], [[Pakistan]], [[United Arab Emirates]])
*[[Go Skateboarding Day]]
*[[International Yoga Day]] ([[international observances|international]])<ref>{{cite news |title=International Days |url=https://www.un.org/en/sections/observances/international-days/ |newspaper=United Nations |access-date=2 January 2021 |language=en |date=6 January 2015|last1=Nations |first1=United }}</ref>
*[[National Indigenous Peoples Day]] (Canada)
*[[Solstice]]-related observances (''see also [[June 20]]''):
**[[Day of Private Reflection]] ([[Northern Ireland]])
**[[International Surfing Day]]
**[[National Day (Greenland)]]
**[[We Tripantu]], a winter solstice festival in the southern hemisphere. ([[Mapuche]], southern [[Chile]])
**[[Willkakuti]], an Andean-Amazonic New Year ([[Aymara people|Aymara]])
**[[Fête de la Musique]]
*[[World Humanist Day]] ([[Humanism]])
*[[World Hydrography Day]] (international)