What was happening in America between 1835-1845?

First American designed watch manufactured also 1st using machine made parts.

First railroad sleeping car introduced in the U.S.,

First use of silver backing to produce mirror's, Germany,

First Child Labor Laws passed in Massachusetts with a minimum working age of 15 years.

Abraham Lincoln is admitted to the bar,

Robert E. Lee becomes a lieutenant in the U.S. Army,

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