Matti Saari kills 10 people in a school before committing suicide in Kauhajoki.
Author: Staff
20 September 1697
The Treaty of Rijswijk is signed by France, England, Spain, the Holy Roman Empire and the Dutch Republic to end the Nine Year War.
18 September 1870
The Old Faithful Geyser is first observed by Henry D. Washburn during an expedition to Yellowstone.
14 September 1901
The 25th President of the United States, William McKinley, dies after an assassination attempt a week earlier.