During an Independence Day celebration in Rochester, New York on July 5, 1852, Frederick Douglass delivers what would become his most celebrated speech, “What to the slave is the Fourth of July?” Tensions over slavery in the early 1850s are high, and the famed abolitionist’s oration serves as a searing reminder that at the time, only a fraction of the U.S. population enjoyed the freedom celebrated by the nation.

On July 5, 1911, the mercury in Nashua, New Hampshire peaks at 106 degrees Fahrenheit, one of many record temperatures that are set in the northeastern United States as a deadly, 11-day heat wave hits the area. It would go on to kill at least 380 people—and by some estimates, as many as 2,000.

After Judge Hugo Friend denies a motion to quash the indictments against the major league baseball players accused of throwing the 1919 World Series, a trial begins with jury selection. The Chicago White Sox players, including stars Shoeless Joe Jackson, Buck Weaver and Eddie Cicotte, subsequently became known as the “Black Sox” after the scandal was revealed.

On July 5, 1946, French designer Louis Réard unveils a daring two-piece swimsuit at the Piscine Molitor, a popular swimming pool in Paris. Parisian showgirl Micheline Bernardini modeled the new fashion, which Réard dubbed “bikini,” inspired by a news-making U.S. atomic test that took place off the Bikini Atoll in the Pacific Ocean earlier that week.

On July 5, 1954, record producer Sam Phillips records an unrehearsed performance of “That’s All Right” by an unknown young truck driver named Elvis Presley It's a moment some regard as the true beginning of the rock-and-roll revolution.

On July 5, 1978, a Regional Transportation District (RTD) bus stops at the intersection of Colfax Avenue and Broadway in Denver, Colorado. As passengers board, a group of people in wheelchairs position themselves in front of the bus, preventing it from leaving the stop. When a second bus arrives behind it, more people in wheelchairs position themselves behind that bus and refuse to leave, trapping the buses between them. For the next 24 hours, 19 disabled activists known as the “Gang of 19” keep the buses where they are, making a powerful statement about the accessibility of transportation in the city and all over America.

On July 5, 1994, Princeton graduate and entrepreneur Jeff Bezos founds Cadabra—a twist on the magic word “Abracadabra”—which is initially just an online bookstore run out of his garage in Bellevue, Washington. Bezos later changes the name to Amazon, and his site grows to become a global retail behemoth, an online "everything store" earning hundreds of millions in annual sales.

On July 5, 2003, the World Health Organization (WHO) announces that all person-to-person transmission of Severe Acute Respiratory Syndrome (SARS) has ceased. In the previous eight months, the disease had killed about 775 people in 29 countries and exposed the dangers of globalization in the context of public health. In spite of WHO’s announcement, a new case was diagnosed in China in January 2004, and four more diagnoses followed that April.