1950, a non-important eruption.
force of friction
The last eruption (not important) was in 1950, but an eruption was also in 1925-1926.
The last erupt of mount Damavand was more than 38500 years ago.
Mount Shasta last erupted in 1786.
That is impossible to predict.
2008
1918.
1997
1993
yesterday
1861
last 1793