What takes place 20 years after world war ii?

At the end of World War II, huge swaths of Europe and Asia had been reduced to ruins. Borders were redrawn and homecomings, expulsions, and burials were under way. But the massive efforts to rebuild had just begun.

World war ll ended in 1945. 20 years later would be the year 1965. During 1965 the voting rights act took place. The Selma to montgomery march took place.

This might not be what you were looking for but

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.