December 8, 1991 is the date that Belarus, the Russian Federation and the Ukraine announced the Minsk Declaration which dissolved the Soviet Union, but the agreement wasn’t ratified by the Russian Parliament until the 12th of December that year at 13:22 according to Nick Campion. On the other hand, uses the chart of December 25, 1991 when the flag for the new Russia began flying at the Kremlin.
The late Zipporah “Zip” Dobyns, one of the world’s most celebrated astrologers, uses yet another chart: the chart of in August of 1991. Her reasoning in using this chart is because “it works” to explain subsequent events better than the other dates. With all due respect to the memory of Ms. Dobyns, this doesn’t seem a very scholarly way to approach the birth of a nation.
To me the date that makes the most sense from a historical point of view is the date that the Russian Federation declared its independence from the Soviet Union which was June 12, 1990. This is the date that the First Congress of People’s Deputies of the Russian Federation adopted the Declaration on Russia’s National Sovereignty which seems to me to be a very formal declaration of statehood and a strong basis for an astrological chart. This is the day that is celebrated as the Day of Russia and is identified by modern Russians as the birth of their nation.