Category:April 2011 in the Northern Hemisphere
| April in the Northern Hemisphere by year: | |
| 2011 in the Northern Hemisphere by month: | |
Deutsch: April 2011 in der Nördlichen Hemisphere
English: April 2011 in the Northern Hemisphere
See also category: April 2011 in the Southern Hemisphere.Subcategories
This category has the following 12 subcategories, out of 12 total.