Editing April (section)

==== Variable; 2021 dates shown ====
* [[Youth Homelessness Matters Day]]
* [[Public holidays in Kiribati|National Health Day]] ([[Kiribati]]): April 6
* [[Head and Neck Cancer Alliance#Oral, Head and Neck Cancer Awareness Week|Oral, Head and Neck Cancer Awareness Week]] ([[United States]]): April 13–19<ref>[https://headandneck.org/oral-head-neck-cancer-awareness-week-early-registration-now-open/]{{dead link|date=October 2021}}</ref>
* [[List of observances in the United States by presidential proclamation#Annual special weeks recognized by presidential proclamation|National Park Week]] ([[United States]]): April 18–26
* [[Crime Victims' Rights Week]] ([[United States]]): April 19–25<ref>{{cite web |url=https://ovc.ncjrs.gov/ncvrw/ |title=National Crime Victims' Rights Week |publisher=United States Department of Justice Office for Victims of Crime |access-date=November 30, 2021 |url-status=live|archive-url=https://web.archive.org/web/20100214014130/http://ovc.ncjrs.gov:80/ncvrw/ |archive-date=February 14, 2010 }}</ref>
* [[National Volunteer Week]]: April 19–25
* [[European Immunization Week]]: April 20–26
* [[Day of Silence]] ([[United States]]): April 24
* [[Pay it forward#1999 novel, film and subsequent projects|Pay It Forward Day]]: April 28 ([[International observance]])
* [[Denim Day]]: April 29 ([[International observance]])
* [[Day of Dialogue]] ([[United States]])
* [[Vaccination Week In The Americas]]
* See: [[List of movable Western Christian observances]]
* See: [[List of movable Eastern Christian observances]]