On August 26, 1920, the 19th Amendment to the U.S. Constitution, guaranteeing American women’s right to vote, was certified in effect by Secretary of State Bainbridge Colby.

In 1939, major league baseball games were shown on experimental station W2XBS: a double-header between the Cincinnati Reds and the Brooklyn Dodgers at Ebbets Field.

In 1957, the Soviet Union announced it had successfully tested an intercontinental ballistic missile.

In 1968, the Democratic National Convention opened in Chicago; the four-day event that resulted in the nomination of Hubert H. Humphrey for president was marked by a bloody police crackdown on antiwar protesters in the streets.

In 1970, recording with Eric Clapton for what would become the double album Layla and Other Assorted Love Songs, producer Tom Dowd took Clapton and his band to an Allman Brothers concert where Clapton, already a fan of the guitarist, first heard Duane Allman play in person. After Clapton invited the whole band back to the studio that night, he and Allman formed an instant bond that provided the catalyst for the Layla album. Over ten days Allman contributed to most of the tracks on the album.

In 1972, the summer Olympics opened in Munich, West Germany.

In 1985, 13-year-old AIDS patient Ryan White began “attending” classes at Western Middle School in Kokomo, Indiana, via a telephone hook-up at his home — school officials had barred Ryan from attending classes in person.

In 2004, the nation’s supply of vaccine for the impending flu season took a big hit when Chiron Corp. announced it had found tainted doses in its factory, and would hold up shipment of about 50 million shots.

In 2015, Alison Parker, a reporter for WDBJ-TV in Roanoke, Virginia, and her cameraman, Adam Ward, were shot to death during a live broadcast by a disgruntled former station employee who fatally shot himself while being pursued by police.

In 2018, a gunman opened fire on fellow gamers at a video game tournament in Jacksonville, Fla., killing two men and wounding 10 others before taking his own life; and also in 2018, Playwright Neil Simon, whose comedies included “The Odd Couple” and “Barefoot in the Park,” died at the age of 91.

In 2019, Ed Sheeran ended his ÷ (Divide) tour with a show at Chantry Park in Ipswich, England, near his hometown of Framlingham. The tour started on March 16, 2017 and set the record for highest-grossing tour, earning $775.6 million over 255 shows.

In 2020, 17-year-old Kyle Rittenhouse was arrested in Illinois in the shooting deaths of two people and the wounding of another during a third night of protests in Kenosha, Wisconsin, over the police shooting of a Black man, Jacob Blake. (Rittenhouse, who said he was defending himself after the three men attacked him, would be acquitted on all charges, including homicide.) All three scheduled NBA playoff games were postponed, with players choosing to boycott in their strongest statement yet against racial injustice. (The games resumed three days later, after players and owners agreed to expand initiatives, many tied to increased voting awareness and opportunities.)