Josie M Manning Campbell (born 1884)

In 1884, in the year that Josie M Manning Campbell was born, on May 1st, the Federation of Organized Trades and Labor Unions - a US association - first resolved that "eight hours shall constitute a legal day's labour from and after May 1, 1886, and that we recommend to labour organisations throughout this jurisdiction that they so direct their laws as to conform to this resolution by the time named." Previously, workdays would consist of 10 to 16 hours a day - 6 days a week. It would take years before the 8 hour workday became common practice - and longer before it became a law.

In 1906, English biochemist Frederick Hopkins concluded that vitamins are essential to the human body and that a lack of vitamins caused scurvy and rickets. Scurvy and rickets were both huge problems in sailors that were at sea for extended time and the addition of vitamin C, vitamin D, and calcium in their diets helped eradicate the problem.

In 1925, on November 28th, radio station WSM broadcast the Grand Ole Opry for the first time. Originally airing as “The WSM Barn Dance”, the Opry (a local term for "opera") was dedicated to honoring country music and in its history has featured the biggest stars and acts in country music.

In 1936, on November 2nd, the British Broadcasting Corporation (BBC) debuted the world's first regular high-definition television service. The channel had a short schedule - Monday through Saturday, 3:00p to 4:00p and 9:00p to 10:00p. The first broadcast was "Opening of the BBC Television Service".

In 1965, on March 8th, the first US combat troops arrived in Vietnam. The 3500 Marines joined 23,000 "advisors" already in South Vietnam. By the end of the year, 190,000 American soldiers were in the country.