1840
Nathaniel Mayer Rothschild, 1st Baron Rothschild was born

Nathaniel Mayer Rothschild, 1st Baron Rothschild, Baron de Rothschild GCVO, PC was a British Jewish banker and politician from the wealthy international Rothschild family.

The daughter of a Shoshone chief, was captured by an enemy tribe and sold to a French Canadian trapper who made her his wife.

1841
William Henry Harrison becomes 9th usa president

William Henry Harrison, an American military officer and politician, was the ninth President of the United States (1841), the oldest President to be elected at the time. On his 32nd day, he became the first to die in office, serving the shortest tenure in U.S. Presidential history.

1841
John Tyler becomes 10th usa president

John Tyler became the tenth President of the United States (1841-1845) when President William Henry Harrison died in April 1841. He was the first Vice President to succeed to the Presidency after the death of his predecessor

1845
James K. Polk becomes 11th president of usa
1845
The Rubber band was invented
1845
March 3rd Florida became the 27th state
1845
December 29th Texas became the 28th state
1846
The Mexican–American War Begins
1846
The Associated Press was founded in NYC May 1846
1846
Neptune was discovered

On September 23, 1846, Galle used Le Verrier’s calculations to find Neptune only 1° off Le Verrier’s predicted position. The planet was then located 12° off Adams’ prediction. … Today, both men – and Galle, who was the first to knowingly see the new planet through a telescope – are credited with the discovery.

1846
December 28th Iowa becomes 29th state
1847
Thomas Edison was born February 11th in Milan, OH
1848
May 29th Wisconsin becomes 30th state
1848
The Mexican–American War Ends
1849
Zachary Taylor becomes 12th president of usa
1849
America’s first anti-immigrant political party forms

America’s first anti-immigrant political party, the Know-Nothing Party forms, as a backlash to the increasing number of German and Irish immigrants settling in the United States.

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