If you look at a 2015 calendar, you might spot that summer begins on June 21st this year. This uses the astronomical seasons, based on the solstices and equinoxes that occur through the year. Seasons occur due to the fact that the Earth is tilted from its axis by 23.5 degrees.
Botswana /bÉtËswÉËnÉ/ , officially the Republic of Botswana (Tswana: Lefatshe la Botswana), is a landlocked country located in Southern Africa. The citizens refer to themselves as Batswana (singular: Motswana).Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966.Since then, it has maintained a strong tradition of stable representative democracy, with a consistent record of uninterrupted democratic elections.otswana is a member of the African Union, the Southern African Development Community, the Commonwealth of Nations, and the United Nations.
Some of America's earliest settlers (1600s) had the surname Swan. The word 'swan' derives from a P-I-E base meaning to sing, make sound and is related to a couple of Olde Englishe words that mean melody, song and to make melody. A black swan is a proverbial allusion to something extremely rare or non-existent.he surname Berry can be an Anglicized form of the Gaelic 'O Beara'. Or the Old English 'Byrig' meaning fortified manor house or stronghold. Swiss German suggest 'berro' or be â¦ ar. It has some connections in France and possibly from a Latin word 'Boriacum'.