Notable Historical Events in Chicago Area on July 23

The Chicago area has witnessed significant historical events on July 23 across various years. These events have been documented in the Chicago Tribune’s archives, offering a glimpse into the region’s storied past.

Explosion and Fire at Union Oil Co. Refinery (1984)

On July 23, 1984, a tragic explosion occurred at the Union Oil Co. refinery in Romeoville. Seventeen individuals lost their lives due to a vapor leak in the tower processing crude oil into commercial gasoline. The explosion blew away the top 45 feet of the tower, known as a vessel. The resulting fire burned for more than a day, causing millions of dollars in property damage.

The Great Rail Strike (1877)

A national rail strike originating in West Virginia expanded into a widespread conflict between industrialists and workers, with Chicago becoming a hotbed for the dispute. Workers demanding an eight-hour workday clashed violently with police, militia, and U.S. infantry. Authorities killed 30 protesters in battles, notably at “The Battle of the Viaduct” at 16th and Halsted streets.

Chicago Water Carnival (1922)

On July 23, 1922, the Chicago Tribune sponsored the first Chicago Water Carnival. The Lincoln Park Boat Club excelled in the top rowing events during the carnival, watched by more than 75,000 spectators.

Opening of Union Station (1925)

Chicago’s Union Station celebrated its grand opening in 1925. The facility featured formal and casual dining options staffed by the renowned Harvey Girls. The station included a Woman’s Waiting Room with a nursery, jail cells, a morgue, and a chapel for spiritual needs, along with medical facilities for emergencies.

“Burke’s Law” Ordinance (1975)

Alderman Edward Burke proposed an ordinance outlawing nudity in massage parlors, colloquially known as “Burke’s Law.” The City Council passed this ordinance, inspired by a contemporary television detective series.

Wagering Law at Arlington Park (1981)

In 1981, Governor James Thompson signed a law permitting wagering on out-of-state races. Arlington Park became the first Illinois track to use this law, simulcasting the Travelers Stakes that summer.

Mark Buehrle’s Perfect Game (2009)

Mark Buehrle, a pitcher for the Chicago White Sox, threw a perfect game against the Tampa Bay Rays on July 23, 2009. The White Sox won 5-0, marking the 18th perfect game in major-league history. White Sox pitchers have achieved more no-hitters than any other American League team.