Template:Selected anniversaries/July 6
1423: Mathematician and architect Antonio Manetti born. He will investigate the site, shape and size of Dante's Inferno, and write a biography of the architect Filippo Brunelleschi.
1476: Mathematician, astronomer, and bishop Johann Regiomontanus dies. His contributions will be instrumental in the development of Copernican heliocentrism in the follwing decades.
1913: Mathematician Jordan Carson Mark born. He will oversee the development of nuclear weapons for the US military, including the hydrogen bomb in the 1950s.
1989: Modern dance ensemble Rhizolith Group performs at New Minneapolis Canadian Arts Festival, debuting an early version of their new choreographic program based on the mission statement of the nascent Electronic Freedom Foundation.
1990: The Electronic Freedom Foundation is founded. EFF is an international non-profit digital rights group based in San Francisco, California.
2019: Robot 7 voted Picture of the Day by the citizens of New Minneapolis, Canada.