How many continents were there in 1980?

There are 7 continents. Asia,North America,South America,Austrailia,Antarctica,Africa and Europe.

Answer 2

The number of continents doesn't change over a short period of time. The named continents in 1980 (and now) are:

North America, South America, Europe, Asia, Africa, Australia and Antarctica

That makes 7.

Australia and Antarctica were only discovered fairly recently in history, but of course they have existed for a long time.

In the deep distant past, the numbers of continents did vary due to continental drift.