https://www.aramcoworld.com/Articles/November-2020/2021-Calendar-Flavors   -“To request a free 9”x12” wall calendar, email aramcoworld@aramcoservices.com, subject line “Calendar”. Be sure to include your full, correct postal mailing address. Calendars are available while our supply lasts. Requests from the USA will be sent by first class mail; all other requests will be sent by airmail. Multiple copy requests (i.e., for a group of classrooms, etc.): Tell us how you plan to use them, and we will be pleased to send them to you, as long as our supply holds out.”

https://pretermbirthca.ucsf.edu/news/free-2021-voices-birth-justice-calendar -fill out the form to get a Free 2021 Voices for Birth Justice calendar.

https://www.erieartsandculture.org/contact-us/eac-calendar-request-form/#uff -fill out the form to get a Free 2021 Erie Arts & Culture Calendar. This might be for Pennsylvania only, but it doesn’t say.

https://twitter.com/seeitbeitstemit/status/1351964469249900548 -send them a DM on Twitter with your information to get a Free See It Be It STEM It 2021 Calendar.

https://www.maryqueenusa.org/en/campaign/calendar/ -click the request button to get a Free 2021 Mary Queen Calendar.

https://www.rosieonthehouse.com/calendar -“To order a free calendar copy, email us at Info@RosieontheHouse.com.
Be sure to include the name and the address you would like the calendar shipped to!” -valid in Arizona only.

https://www.heartofthenation.org/catholic-art-calendar -fill out the form to get a Free 2021 Heart of the Nation Catholic Art Calendar.

https://twitter.com/OKDOT/status/1341141598583873538 -Call 405.521.2557 or email beautification(at)ODOT(dot)org to request a Free 2021 Oklahoma Color Our State Trash Free calendar.

https://learn.cellsignal.com/2021-calendar-apac -fill out the form to get a Free 2021 Earth’s Treasures Calendar from Cell Signaling Technology. Organization name required.
https://eatingdisorder.care/2021-edcare-calendar/ – click the request button and fill out the form to get a Free 2021 EDCare Ctrl+Alt+Delete Experience Calendar.