Question: When was the American baseball player died who's hometown was Herrin, Williamson County, Illinois?

Context paragraphs:
Williamson County Regional Airport: Veterans Airport of Southern Illinois (IATA: MWA, ICAO: KMWA, FAA LID: MWA) , formally known as the Williamson County Regional Airport, is five miles west of Marion, in Williamson County, Illinois.  The airport is owned by the Williamson County Airport Authority.  It sees one airline, subsidized by the federal government's Essential Air Service program at a cost of $2,104,616 (per year).  On November 11, 2016 during the grand opening ceremony for the new terminal, the airport was renamed to "Veterans Airport of Southern Illinois" to honor veterans and better reflect the regional nature of the airport.

Herrin High School: Herrin High School (established 1903) is a secondary school located in Herrin, Illinois.  It has an enrollment of about 735 students.  It is one of the only high schools in the U.S. that has its own bank, The First Tiger Trust.  Notable people who attended HHS include former Michigan Wolverines and current San Diego State men's basketball coach Steve Fisher as well as professional baseball player Ray Chapman who is the only man to be killed by a pitch in an MLB game.

Dallas Bradshaw: Dallas Carl Bradshaw (November 23, 1895 – December 11, 1939), nicknamed "Windy", was a Major League Baseball player in 1917 for the Philadelphia Athletics.  He was 5'7" and weighed 145 lbs.  His nickname was Windy.  He was born in Wolf Creek, Illinois and died in Herrin, Illinois.

Williamson County Jail: The Williamson County Jail, located at 105 S. Van Buren St. in Marion, is the former county jail serving Williamson County, Illinois.  The Prairie School building served as the county jail from 1913 to 1971.  The jail housed prisoners involved with three violent conflicts in the 1920s: the Herrin massacre, the Klan War, and a gang rivalry between the Shelton Brothers Gang and Charles Birger's gang.  The building is now a history museum and is listed on the National Register of Historic Places.

Ray Chapman: Raymond Johnson "Ray" Chapman (January 15, 1891 – August 17, 1920) was an American baseball player, spending his entire career as a shortstop for the Cleveland Indians.

Williamson County Courthouse (Illinois): The Williamson County Courthouse is a government building in Marion, the county seat of Williamson County, Illinois, United States.  Built in 1971, it is the fourth courthouse in Marion's history.

Waterloo, Texas: WATERLOO, TEXAS (Williamson County).  Waterloo is a community on Pecan Creek and Farm Road 619, four miles northeast of Taylor in eastern Williamson County.  Though there were settlers in the area by the 1880s, the town really took shape after Josiah W. Rainwater built a store on the site about 1890.  When a post office was opened in 1893, it along with the community were named Waterloo after Rainwater's hometown in Kentucky.  At different times in the 1890s the community had two churches, a drugstore, a post office, a school, a blacksmith shop, and a cotton gin.  The Waterloo school was the eighth largest district school in Williamson County in 1903.  Waterloo declined in the early decades of the twentieth century, losing its post office in 1904 and shrinking to a population of ten in 1933.  Though the Waterloo school was consolidated with that of Thrall in 1949, the community revived somewhat in the 1940s, and had an estimated population of sixty in 1949 through 2000.  The Waterloo Gin operates today.

Herrin Precinct, Williamson County, Illinois: Herrin Precinct, formerly township, is Congressional Township 8 South, Range 2 East of the Third Principal Meridian located in Williamson County, Illinois.  It is named for the community of Herrin, Illinois.

Halfway, Illinois (Little Juarez): Halfway, (or Half Way) Illinois was a rough and very wet unincorporated community nicknamed "Little Juarez" in Williamson County, Illinois, at what is believed to the crossroads of Illinois Route 37 and Prosperity Road between Marion and Johnston City.  Its heyday was between 1915 and 1925.  The name originated because it was about halfway between Marion and Herrin, located a few miles to the west on what is now a county highway (Stotlar Road).  The nickname came about from the general lawlessness, shootings and proliferation of gambling and booze, even during Prohibition.

Herrin, Illinois: Herrin is a city in Williamson County, Illinois, United States.  Herrin is the home of the Herrin Tigers.  The population was 12,501 at the 2010 census.  It is home to country music star David Lee Murphy, the hometown of baseball's Ray Chapman, and the hometown of San Diego State University men's basketball coach Steve Fisher, as well as Medal of Honor recipient Joseph William Ozbourn.

Supporting paragraphs: Herrin, Illinois Ray Chapman
Answer: August 17, 1920