International observance days, weeks, and months for August 20, 2026. Plus historical events and birthdays.
August 20, 2026 celebrates World Mosquito Day, plus 1 more. August 20th recognizes World Mosquito Day marking the occasion when Sir Ronald Ross discovered that female mosquitoes transmit malaria between humans.
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Every year on August 20, Day of Medical Transporters honors ambulance drivers and the important work they do. The day also encourages us to learn more about the job of a medical transporter.
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Sociologist and demographer who coined the term "population explosion."
Swedish chemist and academic who is considered on the founders of modern chemistry.
Country music musician fondly remembered as "Gentleman Jim."
Musician and founding member of the rock band Chicago.
English pirate who has been dubbed the King of Pirates. His pirate career was short, lasting only two years. Every disappeared and was never caught for stealing his riches, nor were his riches ever found. Many speculate he changed his name and retired quietly on a tropical island.
Events that occurred on August 20 throughout history
The three papal investigators affirm the Knights Templar were absolved of heresy. The papacy concluded the accused Templars had confessed and had done penance.
The first known African captives (slaves) land at Point Comfort, Virginia. The captives were seized from a Portuguese slave ship and traded to colonists in exchange for food and supplies.
Charles Darwin publishes his theory of evolution through natural selection in The Journal of the Proceedings of the Linnean Society of London.
President Andrew Johnson formally declares the American Civil War over. The declaration provided legal order and civil authority were to be restored across the entire country.
Tchaikovsky's 1812 Overture debuts in Moscow, Russia, to commemorate the successful 1812 defense against Napoleon's invading French army.