| Months 1978 events by continent | Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec |
| Months | Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec |
Subcategories
This category has the following 6 subcategories, out of 6 total.
A
- April 1978 events in Africa (2 P)
- April 1978 events in Asia (8 P)
E
N
O
- April 1978 events in Oceania (1 P)