Creative Commons 
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)

CC Attribution 4.0 Image

Be aware that all items posted in the Voices of Humanity Social Media are thereby licensed for general use under the Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license. Simply by posting an item, you are granting everyone with access to the item the rights to reuse the item under conditions listed below. You are responsible if you post sensitive copyright material; be sure to get permission from the owner.

The Wikipedia uses the CC BY-SA 4.0 license, so Voices of Humanity posters are generally OK sharing wikipedia information so long as there is a link to the original wikipedia article, but read this first:

This is a human-readable summary of the Legal Code (the full license). Much of the text on this page is copied from the creative commons human-readable summary of the license. All references to "items" or "work" refer to items posted in the Voices of Humanity Social Media.

You are free to:

Share -- to copy and redistribute the material in any medium or format
Adapt -- remix, transform, and build upon the material
for any purpose, even commercially.

The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:
Attribution -- You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

ShareAlike -- If you remix, transofrm, or build upon the material, you must distribute your contributions under the same license as the original.

No additional restrictions -- you may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

You do not have to comply with the license for elements of the material in the public domain or where your use is permitted by an applicable exception or limitation.

No Warranties are given. The license may not give you all of the permissions necessary for your intended use. For example, other rights such as publicity, privacy, or moral rights may limit how you use the material.