Which event does this 1963 photograph show?

Martin Luther King Jr. delivers his "I Have a Dream" speech (1963). From the steps of the Lincoln Memorial, King addressed roughly 250,000 people at the March on Washington for Jobs and Freedom. The speech's closing, largely improvised section became one of the most quoted passages in American oratory.

Which event does this 1859 photograph show?

The most powerful geomagnetic storm ever recorded strikes Earth (1859). Astronomer Richard Carrington was sketching sunspots when he saw an intense flare erupt from the group shown here. The resulting storm - the Carrington Event - lit up auroras as far south as the Caribbean and set telegraph equipment on fire.

Which event does this 1789 photograph show?

William Herschel discovers Saturn's moon Enceladus (1789). Herschel spotted Enceladus using the largest telescope in the world at the time, his own 40-foot reflector. (This close-up view is modern - captured by NASA's Cassini spacecraft in 2005, nearly two centuries after the moon's discovery.)

Which event does this 1945 photograph show?

Branch Rickey tells Jackie Robinson he'll break baseball's color line (1945). In a private meeting, Brooklyn Dodgers executive Branch Rickey told Robinson he wanted him to become the first Black player in modern Major League Baseball - and to not fight back against the abuse he knew was coming. Robinson debuted in April 1947.

Which event does this 1833 photograph show?

The Slavery Abolition Act receives royal assent in Britain (1833). The Act outlawed slavery across most of the British Empire, freeing over 800,000 enslaved people in the Caribbean, Africa and Canada - though it kept many as unpaid "apprentices" for years afterward and compensated slave owners, not the enslaved.

What happened on August 28? "I Have a Dream", the Carrington Event and 3 more

What happened on August 28

All 5 specimens from this file, spanning 1789 to 1963, with the story behind each photograph.

Reveal the full answer key

Civil Rights · 1963

Martin Luther King Jr. delivers his "I Have a Dream" speech

From the steps of the Lincoln Memorial, King addressed roughly 250,000 people at the March on Washington for Jobs and Freedom. The speech's closing, largely improvised section became one of the most quoted passages in American oratory.
Science · 1859

The most powerful geomagnetic storm ever recorded strikes Earth

Astronomer Richard Carrington was sketching sunspots when he saw an intense flare erupt from the group shown here. The resulting storm - the Carrington Event - lit up auroras as far south as the Caribbean and set telegraph equipment on fire.
$Photograph of a bright icy moon covered in craters and long blue fracture lines, against black space.$

Astronomy · 1789

William Herschel discovers Saturn's moon Enceladus

Herschel spotted Enceladus using the largest telescope in the world at the time, his own 40-foot reflector. (This close-up view is modern - captured by NASA's Cassini spacecraft in 2005, nearly two centuries after the moon's discovery.)
Sports · 1945

Branch Rickey tells Jackie Robinson he'll break baseball's color line

In a private meeting, Brooklyn Dodgers executive Branch Rickey told Robinson he wanted him to become the first Black player in modern Major League Baseball - and to not fight back against the abuse he knew was coming. Robinson debuted in April 1947.
History · 1833

The Slavery Abolition Act receives royal assent in Britain

The Act outlawed slavery across most of the British Empire, freeing over 800,000 enslaved people in the Caribbean, Africa and Canada - though it kept many as unpaid "apprentices" for years afterward and compensated slave owners, not the enslaved.