Today in history: May 18
On May 18, 1980, the Mount St. Helens volcano in Washington state exploded, leaving 57 people dead or missing.
1927: Andrew Kehoe

In 1927, in America’s deadliest school attack, part of a schoolhouse in Bath Township, Michigan, was blown up with explosives planted by local farmer Andrew Kehoe, who then set off a bomb in his truck; the attacks killed 38 children and six adults, including Kehoe, who’d earlier killed his wife. (Authorities said Kehoe, who suffered financial difficulties, was seeking revenge for losing a township clerk election.)
1933: Franklin D. Roosevelt

In 1933, President Franklin D. Roosevelt signed a measure creating the Tennessee Valley Authority.
1934: Lindbergh Act

In 1934, Congress approved, and President Franklin D. Roosevelt signed, the so-called “Lindbergh Act,” providing for the death penalty in cases of interstate kidnapping.
1973: Archibald Cox

In 1973, Harvard law professor Archibald Cox was appointed Watergate special prosecutor by U.S. Attorney General Elliot Richardson.
1980: Mount St. Helens

On May 18, 1980, the Mount St. Helens volcano in Washington state exploded, leaving 57 people dead or missing.
1998: Microsoft

In 1998, the U.S. government filed an antitrust case against Microsoft, saying the powerful software company had a “choke hold” on competitors that was denying consumers important choices about how they bought and used computers. (The Justice Department and Microsoft reached a settlement in 2001.)
2012: Facebook

Ten years ago: Social network Facebook made its trading debut with one of the most highly anticipated IPOs in Wall Street history; however, by day’s end, Facebook stock closed up only 23 cents from its initial pricing of $38.
2015: Barack Obama

In 2015, President Barack Obama ended long-running federal transfers of some combat-style gear to local law enforcement in an attempt to ease tensions between police and minority communities, saying equipment made for the battlefield should not be a tool of American criminal justice.
2017: Roger Ailes

Roger Ailes, who created and ruled Fox News Channel for two decades before being ousted for alleged sexual harassment, died in Palm Beach, Florida, at age 77.
2021: Charles Grodin

In 2021, actor and writer Charles Grodin, whose films included “Midnight Run” and “The Heartbreak Kid,” died in Connecticut of bone marrow cancer at 86.