 Murrow acknowledged the documentary portrayed the United States from a hostile perspective and, when he left CBS to join the United States Information Agency in 1961, unsuccessfully tried to stop the special from being aired in the United Kingdom.Since being fixed on the fourth Thursday in November by law in 1941, the holiday in the United States can occur on any date from November 22 to 28.When it falls on November 22 or 23, it is not the last Thursday, but the penultimate Thursday in November.