Esperanto
Louis Braille created the braille alphabet (there is no such thing as "braille language"). The objective of creating such a language was to enable the blind to read and write.
Tecumseh spoke Shawnee, which is a Central Algonquian language. He was a prominent Native American leader and warrior in the early 19th century.
English became the official language of the United States through the adoption of the English language in the 18th century when the nation gained independence. Additionally, the first English settlers in the early 17th century established English as the predominant language in the American colonies.
In the 10th century, the language spoken in the Scottish Highlands was Early Gaelic, a precursor to modern Scottish Gaelic. This language was brought to Scotland by Gaelic-speaking peoples from Ireland and became the dominant language in the region during this time.
No natural language ever really starts or ends, it only changes. Like most Western languages, French took a more permanent, less fluctuant form with the emergence of the first printing presses, in the sixteenth century.
No, it is mid to late twentieth century
During the early modern period of the twentieth century, the synthesizer was developed.
The department of labor
the twentieth century expansion concided with better education for blacks
Modernism
The early twentieth century
early in the twentieth century
The early twentieth century.
No
Modernism
Modernism
No