The program begins New Years Day, 1780, then proceeds to show France edging toward an alliance with the United States and war with the United Kingdom. BUT the Franco-American Alliance was created February 6, 1778 followed by France declared war on England a month later. Further, those naval engagements took place in June, 1778. All of those events took place two years prior to that New Years Day, 1780.
The painting that is delivered to Marie Antoinette's mother in this episode is *not* actually of Marie Antoinette, but rather of the real life Duchess de Polignac.
The painting that was given as a gift to Marie Antoinette's mother, that is supposed to be a painting of Marie Antoinette, is actually a painting of Marie Antoinette's real life favorite the Duchess de Polignac.