What happened November 1981 AD

On 6 November 1981, Thatcher and Irish Taoiseach Garret FitzGerald had established the Anglo-Irish Inter-Governmental Council, a forum for meetings between the two governments.

Hideo Kodama filed a patent for this XYZ plotter, which was published on November 10, 1981. (JP S56-144478).

On 17 November 1981, President Reagan signed National Security Directive 17, authorizing covert support to anti-Sandinista forces.

In November 1981, Bufalino was sentenced to 10 years imprisonment, held at United States Penitentiary, Leavenworth.

Hepburn's last starring role in a feature film was opposite Gazzara in the comedy They All Laughed (1981), directed by Peter Bogdanovich. The film was overshadowed by the murder of one of its stars, Dorothy Stratten, and received only a limited release.

On 29 November 1981, Iran began Operation Tariq al-Qods with three army brigades and seven Revolutionary Guard brigades.

When this was recorded in the financial records, once-common accounting practices would use red ink to show negative amounts and black ink to show positive amounts. Black Friday, under this theory, is the beginning of the period when retailers would no longer be "in the red", instead taking in the year's profits. The earliest known published reference to this explanation occurs in The Philadelphia Inquirer for November 28, 1981.