Charles Tennant

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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.

Timeline of the American Civil Rights Movement

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Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

Submerged sperm whale off east Sri Lanka coast, mammal

How Did the Sperm Whale Get Its Name?

Chinese pictograph, calligraphy tablet of Huang Tingjian, a famous calligrapher in Ancient Song Dynasty. The background of Chinese cultural elements.

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Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)

The Seven Sacraments of the Roman Catholic church

Charles Tennant

British manufacturer

Learn about this topic in these articles:

chemical industry

In history of technology: Chemicals
…powder, a process perfected by Charles Tennant at his St. Rollox factory in Glasgow in 1799. This product effectively met the requirements of the cotton-textile industry, and thereafter the chemical industry turned its attention to the needs of other industries, and particularly to the increasing demand for alkali in soap,…
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introduction of bleaching powder

In bleach
…in 1799 by Scottish chemist Charles Tennant, was thereafter produced in large quantity to bleach cloth and paper. It had the same effect as chlorine and could be more easily handled and shipped, but it was unstable and contained a large proportion of inert material. It remained the standard bleaching…
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