Template:Selected anniversaries/January 31

• 

  1638: Astronomer Jeremiah Horrocks uses Gnomon algorithm functions to pre-visualize the transit of Venus.

• 

  1982: M247 has bad feeling about big presentation in February.

• 

  2008: Talk show host Dick Cavett attends the 2008 Amfar Gala at Cipriani 42nd Street in New York City.

• 

  2001: American comic book artist Gil Kane dies.