If "Other," you may name it here:

https://multicoloreddiary.blogspot.com/2021/03/the-2021-to-z-challenge-theme-reveal.html

https://anneyoungau.wordpress.com/2021/03/08/a-to-z-2021-irish-family-history/

https://researchbylily.blogspot.com/2021/03/a-z-blogging-challenge-theme-reveal-2021.html

https://reviews.wizzardss.com/p/blogging-from-to-z-2021.html

Entertainment (reviews and critiques on performing arts: film, TV, theater, dance, music)

https://ceflores.com/category/2021-a-to-z-blogging-challenge/

https://operationawesome6.blogspot.com/2021/03/theme-reveal-2021-atozchallenge.html

https://uniquelymaladjustedbutfun.blogspot.com/2021/03/theme-reveal-ya-story-and-my-first-job.html

https://jrvincente.com/2021/03/07/theme-reveal-atozchallenge-3/

https://jonesfamilyhistory.wordpress.com/2021/03/08/theme-reveal-2021-atozchallenge/

https://theversesmith.blogspot.com/2021/03/blogging-from-to-z-april-challenge-2021.html

https://lisasgardenadventureinoregon.blogspot.com/2021/03/blogging-from-to-z-april-challenge.html

https://www.anne-m-bray.com/blog/166567/a-to-z-blogging-challenge-2021-atozchallenge

https://repeatsamb.blogspot.com/2021/03/atozchallenge-2021-theme-reveal.html

https://findingeliza.com/archives/33851

https://jlennidorner.blogspot.com/2021/03/js-survey-for-theme-reveal-2021.html

https://leprechaunrabbit.com/2021/03/a2zchallenge-can-oral-stories-be-true/amp/?__twitter_impression=true

A to Z 2021: A Year in "The Old Country"

https://argonautsite.wordpress.com/2021/03/08/a-to-z-2021-a-year-in-the-old-country/

https://dave-homeschooldad.blogspot.com/2021/03/a-to-z-challenge-2021-theme-reveal.html

https://romi005.blogspot.com/2021/03/a-to-z-challenge-theme-reveal.html

https://theoldshelter.com/the-great-war-atozchallenge-2021-theme-reveal/

https://www.jinglejanglejungle.net/2021/03/prelude-april-pt1.html

Entertainment (reviews and critiques on performing arts: film, TV, theater, dance, music)

https://quiltingpatch.blogspot.com/2021/03/atozchallenge-2021-theme-reveal.html

Crafts (DIY, ceramics, textile, flowers, leatherwork, needlework, paperwork, jewelry, etc.)

https://fivedotoh.com/2021/03/08/atoz-2021-theme-reveal/

Whatever Strikes My Fancy

https://thethreegerbers.blogspot.com/2021/03/a-z-blogging-challenge-2021-theme-reveal.html

https://iainkellywriting.com/2021/03/08/a-z-challenge-2021-theme-reveal/

https://ajblythe.com/a-to-z-challenge-theme-reveal-2021/

https://denapawling.blogspot.com/2021/03/a-to-z-blogging-challenge-theme-reveal.html

https://marthareynoldswrites.com/2021/03/08/atoz-2021-theme-reveal/

https://mollyscanopy.com/2021/03/atoz-challenge-theme-reveal-endwell-my-early-teen-years/

https://thriftshopcommando.blogspot.com/2021/03/theme-reveal-for-april-to-z-challenge.html

Pandemic-safe Activities for a Good Life

https://bethlapinsatozblog.wordpress.com/2021/03/08/

https://keithsramblings.net/2021/03/08/a-z-challenge-2021/

https://lisa-musingsofamiddle-agedmom.blogspot.com/2021/03/april-to-z-theme-reveal.html

https://thememoryofrain.blogspot.com/2021/03/blogging-from-to-z-some-suggestions.html

https://josna.wordpress.com/2021/03/08/anachronidioms/

Memoir, reflections, social commentary

https://ruthblogshere.wordpress.com/2021/03/08/april-blogging-from-a-z-2021/

https://www.teasighcreate.com/2021/03/atoz-challenge-theme-reveal.html

https://reelfocus.blogspot.com/2019/03/blogging-from-to-z-theme-reveal.html

Entertainment (reviews and critiques on performing arts: film, TV, theater, dance, music)

https://inimaynaelcam.blogspot.com/2021/03/take-21h-plus-some.html

https://weekendsinmaine.com/2021/03/08/atozchallenge-a-creative-theme-reveal/

Crafts (DIY, ceramics, textile, flowers, leatherwork, needlework, paperwork, jewelry, etc.)

http://tossingitout.blogspot.com/2021/03/a-revealing-day-botb-results.html

https://scr4pl80.wordpress.com/2021/03/08/a-to-z-2021-theme-reveal/

https://kaiberie.com/blog/2021/03/08/my-atoz-blogging-challenge-reveal-2021-atozchallenge/

fiction, non-fiction, poetry and advocacy included

https://sparksfromacombustiblemind.com/2021/03/08/2021-a-z-theme-reveal/

https://storycrossroads.org/2021/03/08/drum-roll2021-a-to-z-blog-challenge-theme-reveal-starting-april-1/

https://thisisanotherstory.com/2021/03/08/special-announcement-atozchallenge-2021-themereveal/

Brewing Coffee, Twisting Words & Breaking Pencils

https://writingiscommunication.wordpress.com/2021/03/08/theme-reveal-2021-a-to-z-challenge/

https://lightningflashx.blogspot.com/2021/03/blogging-from-to-z-theme-reveal.html

http://www.hdhstory.net/Storyblog/?p=2385

The road to being a published writer

https://theroadtobeingapublishedwriter.blogspot.com/2021/03/a2z-blogging-challenge-2021-theme-reveal.html

https://elan-creations.me/2021/03/08/masterpiece-monday-atoz-theme-reveal/

https://seasidesimplicity.blogspot.com/2021/03/a-to-z-challenge-theme-reveal.html

https://stuartnager.wordpress.com/2021/03/08/atoz-blogging-challenge-2021-theme-reveal/

https://annehiga.com/2021/03/08/2021-a-z-challenge-theme-reveal-flash-fiction/

https://lightmotifs.wordpress.com/2021/03/08/renovations-in-process/

https://wilburstravels.com/2021/03/08/a-z-april-challenge-2021/

https://semiretiredgamer.blogspot.com/2021/03/a-to-z-challenge-theme-reveal.html

Entertainment (reviews and critiques on performing arts: film, TV, theater, dance, music)

https://rarelytidyramblings.com/2021/03/08/blogging-a-to-z-theme-reveal-2/

(Creative journey/daily life)

Journey to the Stars and Worlds of Imagination

https://helenhenderson-author.blogspot.com/2021/03/2021-z-theme-reveal.html

https://heavygators.blogspot.com/2021/03/a-to-z-blogging-theme-reveal.html

https://denster57.wordpress.com/2021/03/08/anecdotal-episodic-american-history/

https://thesoundofonehandtyping.com/2021/03/08/my-2021-atozchallenge-theme/

https://n8ltg.blogspot.com/2021/03/atozchallenge-theme-reveal.html

http://chasingmylife.com/2021/03/08/its-almost-time-for-the-a-to-z-april-challenge/

Sascha Darlington's Microcosm Explored

https://saschadarlington.me/2021/03/09/the-a-to-z-challenge-theme-reveal/

https://curiousasacathy.com/im-making-it-official-atozchallenge/

https://culinaryadventureswithlori.blogspot.com/

https://fictioncanbefun.wordpress.com/

https://fictioncanbefun.wordpress.com/2021/03/08/aprila2z-the-theme-reveal-2/

https://deborah-weber.com/a-to-z-challenge-2021-theme-reveal/

https://www.thejoyousliving.com/authors-and-artists-a-to-z-challenge/

Entertainment (reviews and critiques on performing arts: film, TV, theater, dance, music)

https://ptdilloway.blogspot.com/2021/03/a-to-z-challenge-topic-revealed!.html

Entertainment (reviews and critiques on performing arts: film, TV, theater, dance, music)

https://tiredhamster.wordpress.com/2021/03/09/theme-reveal-a-to-z-april-challenge/

https://balconysunrise.wordpress.com/2021/03/10/theme-reveal-for-a2z-challenge-2021/

https://geniaus.blogspot.com/2021/03/theme-reveal-2021-atozchallenge.html

https://www.carmelgalvin.info/2021/03/theme-reveal-z-challenge-2021.html

https://theotherside.timsbrannan.com/2021/03/a-to-z-blogging-challenge-theme-reveal.html

https://shirleyjdietz.com/2021/03/10/a-to-z-theme-reveal/

Alzie’s Story: Me and Mine

https://bi-polarbears.com/2021/03/10/atozchallenge2021-the-atoz-of-mental-health/

Marked as adult as there are triggering themes in some posts, but are important to discuss. It's first person (as in, my perspective).

https://marquessamatthews.com/2021/03/10/a-to-z-challenge-theme-reveal-still-a-maybe/

Thrills, Spills, and just a dash of Romance

https://aloysius5.com/2021/03/11/the-a-to-z-challenge-2021-theme-reveal/

http://buttontapper.com/2021/03/10/a-to-z-2021-theme-revealed/

https://livingthedream941447545.wordpress.com/2021/03/10/a-to-z-blog-challenge-2021-theme-reveal-cocktails-for-you/

https://artmater.com/a-to-z-challenge-april-2021/

https://transformednonconformist.blogspot.com/2021/03/its-to-z-time-again.html

https://jilywily.wordpress.com/2021/03/10/atozchallenge-theme-reveal/

https://verveineetlin.com/2021/03/11/de-a-a-z/

Crafts (DIY, ceramics, textile, flowers, leatherwork, needlework, paperwork, jewelry, etc.)

https://sasiety.co.uk/a-to-z-challenge-theme-reveal/

https://paperandpigment.blogspot.com/2021/03/AtoZChallengthemerevealcreativityprompts.html

https://diaryofthesundayvisitor.blogspot.com/2021/03/a-z-theme-reveal.html

https://katenread.wordpress.com/2021/03/11/a-to-z-challenge-theme-reveal/

Entertainment (reviews and critiques on performing arts: film, TV, theater, dance, music)

Making as Adult because I'll be including movie trailers with might require audience discression.

Industrial Engineering Knowledge Center

https://nraoiekc.blogspot.com/2021/03/industrial-engineers-and-their.html

Slogans, Catch lines and Tag lines

http://slogansmith.blogspot.com

https://whatsandrathinks.com/2021/03/11/april-a-to-z-challenge-yes-atozchallenge/

https://susanleighnoble.wordpress.com/2021/03/11/time-for-another-year-of-the-atozchallenge/

https://igorsbelltower.blogspot.com/2021/03/joining-blogging-from-to-z-challenge.html

https://oureyesopen.blog/2021/03/12/atozchallenge-theme-reveal-birds/

https://jengenie.wordpress.com/2021/03/14/a-z-blogging-challenge-theme-reveal/