Nebraska became the 37th state to join the United States of America.
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The Yellowstone National Park Protection Act went into law, making it the first National Park in the world.
The Death Penalty was abolished in the state of Michigan, except for treason.
Ohio became the 17th state to join the United States of America.
Rebecca Lee Crumpler became the first African American female physician.
A Study in Scarlet became the first US edition of British detective Sherlock Holmes written by Arthur Conan Doyle.
