Today in Entrepreneurial History: February 29

By Dane Carlson on February 29, 2012 in History

---

Today’s Today in Entrepreneurial History was harder to write than normal, because there’s only one February 29th at most every four years.

February 29, known as a leap day in the Gregorian calendar, is a date that occurs in most years that are evenly divisible by 4, such as 2004, 2008, 2012 and 2016. Years that are evenly divisible by 100 do not contain a leap day, with the exception of years that are evenly divisible by 400, which do contain a leap day; thus 1900 did not contain a leap day while 2000 did

• 1504 – Christopher Columbus uses his knowledge of a lunar eclipse that night to convince Native Americans to provide him with supplies.
• 1916 – Child labor: In South Carolina, the minimum working age for factory, mill, and mine workers is raised from twelve to fourteen years old.

---

Business Opportunities Weblog editor and publisher Dane Carlson lives in the Sierra Nevada mountains of California, just 15 miles from Yosemite National Park. He accidentally became a professional blogger in 2001. He has added 12,208 posts to the site.

---

Another Idea: How to Start a Genealogical (Family History Writer) Business

---

• Related Posts
• Related Ideas
• Related Directory
• Related Resources
• Today's Posts