1904 – Central High was built, and the hamburger, ice cream cone, and ice tea were introduced at the St. Louis Exposition.
1917 – Smart, Sudlow, and J.B. Young Intermediates were built, and 4 million copies of "I Want You" posters with Uncle Sam were distributed by U.S. Army recruitment officers.
1923 – Garfield and Hayes Elementaries were built, and the New York Yankees won their first World Series by defeating the New York Giants in four games to two.
1924 – Roosevelt Elementary was built, and Iowa-born cornetist Leon Bix Biederbeche began his jazz career.
1939 – Jefferson, Lincoln, Madison, McKinley, Monroe, and Washington Elementaries were built, World War II began, and 17 percent of the American work force remained unemployed.
1950 – Adams Elementary was built, and Senator Joseph McCarthy began his Communist "witch-hunt."
1953 – Harrison Elementary was built, and the first IBM computer was produced.
1954 –Williams Intermediate was built, and the Supreme Court ruled that racial segregation in public schools was unconstitutional.
1955 – Fillmore and Wilson Elementaries were built, and the V8 engine was introduced for automobiles.
1956 – The Children’s Village at Hoover (Formerly Hoover Elementary) and Walcott Elementary-Intermediate were built, and the first successful videotape recorder was demonstrated.
1957 – Blue Grass Elementary was built, and Sputnik I was launched by the Soviet Union.
1960 – West High was built, and John F. Kennedy was elected president of the United States.
1961 – Kimberly Center for Alternative Education was built, and the Berlin Wall was constructed.
1969 – Eisenhower Elementary was built, and Neil A. Armstrong became the first man to walk on the moon.
1971 – Buchanan Elementary and Jackson Elementary were built, and the voting age was lowered from 21 to 18.
1972 – North High was built, and the Watergate break-in, which later led to President Richard Nixon’s resignation, took place
1977 – Truman Elementary was built, and the world’s last known natural case of smallpox was reported.
1984 – Wood Intermediate was built, and AT&T broke from its 22 Bell operating companies across the United States to pave the way for telecommunications competition.
2002 – A new Buffalo Elementary was built with proceeds from a one-cent sales tax, which also is providing funds to renovate most of the district’s buildings.

Historical events referenced here are cited in The People’s Chronology by James Trager, published by Henry Holt and Company, New York, New York, in 1992.