◆ On this day

June 19

4 sourced moments from June 19 in history: Blaise Pascal, born 1623, built the second known calculator; The first organized baseball match under the Knickerbocker rules (1846); Juneteenth didn't end US slavery — the 13th Amendment did (1865), plus 1 more.

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4 things happened on June 19

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1961 Geography · Countries

Kuwait Gained Independence From Britain

With an exchange of letters in 1961, Kuwait ended a 62-year British protectorate and stepped onto the world stage as a sovereign nation.

1865 History · Modern

Juneteenth didn't end US slavery — the 13th Amendment did

General Order No. 3 freed enslaved Texans on June 19, 1865, but slavery stayed legal in border states for almost six more months.

1846 Sports · Records & Statistics

The first organized baseball match under the Knickerbocker rules

On June 19, 1846, two clubs squared off at Elysian Fields in what is often called baseball's first true match game.

1623 Science · Mathematics

Blaise Pascal, born 1623, built the second known calculator

Born on 19 June 1623, Pascal built the Pascaline in his teens. An earlier, long-lost machine beat it, and French coinage made it fiendish.