Donate now 
Ernst Haeckel – Public Domain
Help us unlock the world’s knowledge.
As a nonprofit, Wikipedia and our related free knowledge projects are powered primarily through donations.
Connect — اتصل
Stay up-to-date on our work.
Get email updates
Subscribe to news about ongoing projects and initiatives.
Contact a human
Questions about the Wikimedia Foundation or our projects? Get in touch with our team.
Follow
Photo credits
