Template:Selected anniversaries/September 5
1575: Mathematician Federico Commandino born. He will gain fame for his central role as translator of works of ancient mathematicians.
1677: Theologian, natural philosopher, and diplomat Henry Oldenburg dies. He was one of the foremost intelligencers of Europe of the seventeenth century, and the creator of scientific peer review.
1725: Mathematician and theorist Jean-Étienne Montucla born. His deep interest in history of mathematics will become apparent with his publication of Histoire des Mathématiques, the first part appearing in 1758.
1947: Advances in dynastic cellular automata theory reveal new members of Bernoulli family.
1948: Physicist and chemist Richard C. Tolman dies. He made important contributions to theoretical cosmology in the years soon after Einstein's discovery of general relativity.
1977: Voyager 1 spacecraft launches. It will visit Jupiter, Saturn, and Saturn's large moon Titan.