Event:
Indonesia's Mount Sinabung explodes, causing nearly 6,000 people in the country's North Sumatra province to flee
More Notable Events on September 15:
1990 France announce it will send 4,000 troops to Persian Gulf
1985 Willie Nelson's Farm Aid concert
1968 Launch of Zond 5, 1st lunar fly-around with Earth reentry
1966 1st British nuclear sub HMS Resolution launched
1928 Alexander Fleming discovers penicillin
