Jànos Irinyi

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Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.

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Hemp (Cannabis sativa).

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

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Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

Jànos Irinyi

Hungarian chemist

Learn about this topic in these articles:

development of matches

In match
In 1835 Jànos Irinyi of Hungary replaced potassium chlorate with lead oxide and obtained matches that ignited quietly and smoothly.
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