Question

what was the most significant event of the 1980​

Answer 1

Mount St. Helens erupts. More Information for Mount St. Helens Eruption on May 18th in Washington killing 57.. 1.

hope i helped u

Answer 2

there are many events which occured in 1980, Mere mamme ka ldka paida hua hua tha uss saal...XD

Pls specifically tell which topic are u referring to?