
Here’s a look back at what happened in the Chicago area on June 18, according to the Tribune’s archives.
Is an important event missing from this date? Email us.
Flashback: June 18, 2010

2010: After years of submitting an application and awaiting approvals, the 98-foot-long World War II vessel was intentionally sunk to the bottom of Lake Michigan to serve as a new destination for divers.
“Every diver would like to find a ship at the bottom looking like a ship in a bottle, but it’s a long time getting there,” said scuba diving instructor Capt. Jim Gentile. “Now I can’t wait to dive it.”
Vintage Chicago Tribune: Lake Michigan shipwrecks close to the city
Weather records (from the National Weather Service, Chicago)
- High temperature: 98 degrees (1954)
- Low temperature: 45 degrees (1999)
- Precipitation: 1.86 inches (2025)
- Snowfall: Trace (1998)

1855: Joseph Medill and partners bought the Tribune. Daily circulation grew from about 1,400 copies in 1855, to as high as 40,000 during the Civil War, when the paper was a strong supporter of President Lincoln and emancipation.
Medill kept the Tribune in production during the Great Chicago Fire, then was elected mayor.

1908: Then U.S. Secretary of War William Howard Taft was nominated for president on the first ballot — receiving 702 out of a possible 980 votes — at the Republican convention in Chicago.
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Taft defeated William Jennings Bryan on Nov. 3, 1908, to become president.

1990: Hale Irwin, at 45, became the oldest man to win the U.S. Open when he beat Mike Donald in a 19-hole playoff at Medinah’s famed No. 3 championship course. Irwin, who won Opens in 1974 and 1979, and Donald tied with 280 scores after 72 holes. Both pros shot 74s in the 18-hole playoff. Then they went to the No. 1 tee to begin a sudden-death showdown. Irwin birdied the first hole with a 3. Donald parred the hole.
1996: “Unabomber” Ted Kaczynski — the Chicago-area native who became a mathematics professor then a recluse — was indicted in four attacks, including mail bombs that killed two men. These were the first charges connecting him with the 18-year-long chain of mail bombings that led to three deaths, 23 injuries and a brief shutdown of air traffic and mail service on the West Coast.
5 things you might not know about Chicago native Ted Kaczynski — the ‘Unabomber’
Kaczynski pleaded guilty in 1998 — almost 20 years after his first pipe bomb exploded — choosing to spend life in prison rather than be portrayed at trial as mentally ill.

2015: Thousands of fans in the Soldier Field stands cheered wildly, and danced to team anthem “Chelsea Dagger” to celebrate another Stanley Cup championship for the Chicago Blackhawks.

2019: The Chicago White Sox announced plans to extend protective netting to the foul poles at Rate Field, the first major league team to do so, after two incidents involving foul balls hitting fans — on May 30 in Houston, and at Rate Field on June 10.
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