Template:Meetup/April 2015
| Chapel Hill, NC: American Indian History in NC | April 1, 2015 |
| Pittsburgh | April 3, 2015 |
| Chapel Hill, NC: African American Soldiers in US Wars | April 8, 2015 |
| San Diego | April 12, 2015 |
| Leeds 5 | April 12, 2015 |
| London 92 | April 12, 2015 |
| Glam Café, Philadelphia, PA | April 14, 2015 |
| Chicago 11 at the University of Chicago | April 15, 2015 |
| Chapel Hill, NC: Women in Science | April 16, 2015 |
| NUI, Galway: Women in History | April 16, 2015 |
| The College of Wooster, Feminist Edit-a-thon | April 16, 2015 |
| Chicago 12 at the Pritzker Military Museum & Library | April 18, 2015 |
| Oxford 27 | April 19, 2015 |
| Privacy and security themed editathon with Seattle TA3M | April 19, 2015 |
| Edinburgh 8 | April 22, 2015 |
| WikiWork! A Collaborative Edit-a-Thon - UW Labor Archives, Seattle | April 25, 2015 |
| Manchester 28 | April 26, 2015 |
| Oklahoma State University Edit-A-Thon 2015 | April 29, 2015 |