2020 – The COVID-19 recession causes the U.S. unemployment rate to hit 14.9 percent, its worst rate since the Great Depression.

1974 – Watergate scandal: The United States House Committee on the Judiciary opens formal and public impeachment hearings against President Richard Nixon.

1980 – The World Health Organization confirms the eradication of smallpox.

1970 – The Beatles release their 12th and final studio album Let It Be.

1886 – Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.

2000 – Vladimir Putin is inaugurated as president of Russia.

1952 – The concept of the integrated circuit, the basis for all modern computers, is first published by Geoffrey Dummer.

 kurtster wrote:

They also had slaves, and somehow I bet you think they were Democrats.

 R_P wrote: 
FWIW, in ancient Egypt the week (and work week) was ten days long

1998 – Steve Jobs of Apple Inc. unveils the first iMac.

1949 – EDSAC, the first practical electronic digital stored-program computer, runs its first operation.

1940 – John Steinbeck is awarded the Pulitzer Prize for his novel The Grapes of Wrath.

First show at Magoo's, 5/5/65

2023 – The World Health Organization declares the end of the COVID-19 pandemic as a global health emergency.

1981 – Bobby Sands dies in the Long Kesh prison hospital after 66 days of hunger-striking, aged 27.

1904 – Pitching against the Philadelphia Athletics at the Huntington Avenue Grounds, Cy Young of the Boston Americans throws the first perfect game in the modern era of baseball.

1891 – The Music Hall in New York City (later known as Carnegie Hall) has its grand opening and first public performance, with Tchaikovsky as the guest conductor.

1970 – Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.