The Louisiana Purchase. As the United States spread across the Appalachians, the Mississippi River became an increasingly important conduit for the produce of Americaâs West (which at that time referred to the land between the Appalachians and the Mississippi).
In the inland, storm winds (more than 15 m/s) are rare, occurring only a few times a year, while on the coast and islands of the open seas the frequency of storm winds reaches 30â45 days/year. Estonia is located in a region of humid climate, where the amount of precipitation exceeds the total evaporation. The annual average of the relative air humidity is 80â83%. It is higher in winter and at its lowest in May, being 70% on average. The annual average precipitation varies between 550 and 800 mm.
Estonia was taken over by Russia again in June 1940 and the flag was banned. Estonia regained its independence on August 20, 1991. The Estonian flag was flown in both the 1905 and 1917 Russian revolutions as a symbol of Estonian independence. The current Estonian flag was designed in December 1990.Interesting Estonian Flag Facts: The roots of the Estonian flag date back to 1881 when Estonian university students attempted to form a fraternity. They adopted blue, black and white as the fraternity's colors.he blue stripe represents faith, loyalty and devotion as well as the sky, sea, and lakes. The black symbolizes the dark past and suffering of the Estonian people as well as the traditional black jacket of the Estonian peasant.