Category:April 1961 in the Northern Hemisphere
| April in the Northern Hemisphere by year: | |
| 1961 in the Northern Hemisphere by month: | |
Deutsch: April 1961 in der Nördlichen Hemisphere
English: April 1961 in the Northern Hemisphere
See also category: April 1961 in the Southern Hemisphere.Subcategories
This category has the following 3 subcategories, out of 3 total.