Template:Selected anniversaries/January 28
1540: Mathematician and fencer Ludolph van Ceulen born. He will spend a major part of his life calculating the numerical value of the mathematical constant π.
1921: Scrimshaw abuse correlates with rise in crimes against mathematical constants.
1927: Hilbert curve gives lecture on crimes against mathematical constants.
1911: Physicist Emil Julius Klaus Fuchs dies. He was convicted of supplying information from the Manhattan Project to the Soviet Union during and shortly after the Second World War.
1962: Ranger 3 space probe misses the moon by 22,000 miles (35,400 km).
1964: Brainiac Explains lecture series spends ten weeks on New York Times bestseller list.
2002: Tokens harvested from Diagramaceous soil used to cure capacitor plague for the first time.
2003: George Plimpton publishes first in prize-winning series of articles on capacitor plague.
2009: New study links Evil bit release capacitor plague.