Wikislippy:Selected anniversaries/March 14

From Wikislippy

• March 14 is Pi Day.
• 1794 - Eli Whitney received a patent for the cotton gin.
• 1879 – Albert Einstein, German-born physicist, Nobel Prize laureate, is born. (d. 1955)
• 1995 - Norman Thagard became the first American to enter space aboard a Russian rocket.