Begin first in Philadelphia with the first newspaper advertisement, an announcement seeking a buyer for an Oyster Bay, Long Island, estate, was published in the Boston News-Letter in early 1704.

After 1704, lots of newspapers and magazine used for advertisement such as The Pennsylvania Packets $ Daily Advertiser in 1784, the Sun in 1833. In 1873, The first convention of advertising agents is held in New York and from 1886, N.W.Ayer promoted advertising with the slogan. Appearance of a magazine that seems a schoolmaster in the art of advertising in 1893.
The value of slogan had bring for National Biscuits Co. million-dollar advertising campaign Uneeda in 1898.

In 1923, the first regular series of broadcast entertainment and music to be sponsored as a advertiser and in 1924, the age of radio networks started and the National Broadcasting Co. was launched also in 1926. Early 1930, advertising had reached to billion-dollar. There are some posters in this period.






You can get more information about American Advertising on website: http://adage.com/ or http://www.advertisingarchives.co.uk/.