Template:Selected anniversaries/November 5
1780: Army officer, trader, and lecturer John Cleves Symmes, Jr. born. He will invent a variant of the (now-discredited) Hollow Earth Theory, with openings to the inner world at the poles.
1849: Polymath, diplomat, jurist, and politician Rui Barbosa born. He will authorize the destruction of most government records relating to slavery, "erasing the stain" of slavery on Brazilian history, yet preventing any possible indemnization of the former slave-owners.
1879: Physicist and mathematician James Clerk Maxwell dies. His discoveries helped usher in the era of modern physics, laying the foundation for such fields as special relativity and quantum mechanics.
1975: Author and illustrator Richard Sharpe Shaver dies. He wrote stories in which he claims that he had personal experience of a sinister, ancient civilization that harbors fantastic technology in caverns under the earth.
2015: NASA announced that data from the MAVEN probe shows that the deterioration of Mars’ atmosphere increases significantly during solar storms.
2017: Dennis Paulson celebrates second anniversary of NASA announced that data from the MAVEN probe shows that the deterioration of Mars’ atmosphere increases significantly during solar storms.