برای سایت ها و وبلاگ های روابط عمومی
اگر این کرونولوژی مرا مبنا قرار دهیم؛ دوستان روابط عمومی می توانند آنرا ترجمه کرده و به تدریج با افزودن تحولات دیگر آنرا کامل تر کنند

1900. Publicity Bureau of Boston established as first public relations firm.
1904. Ivy L. Lee becomes public relations counselor.
1913. Ludlow Massacre establishes value of corporate public relations
1923. Edward L. Bernays publishes Crystallizing Public Opinion, first book on professional public relations.
1929. Bernays stages "Torches of Freedom" march to promote smoking
1948. Public Relations Society of America (PRSA) founded.
1950. PRSA Code of Professional Standards adopted.
1955. International Public Relations Association (IPRA) founded.
1965. PRSA Accreditation established.
1970. International Association of Business Communicators (IABC) founded.
1989. Exxon Valdez crisis becomes PR nightmare.
1998. Council of Public Relations Firms founded.
2000. PRSA Code of Ethics revised as inspirational guidelines.
2002. PRSA promulgates Universal Accreditation as standard for practice.
2005. Global PR Blog Week