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.
The origin of the name Tswana is a mystery. It is applied to a number of groups who all speak the same Bantu language, have similar customs, but separate names. None of them ever knew themselves as the Tswana. As with several other people in South Africa, their name was given by foreigners.swana is a Bantu language of Niger-Congo origin and alternatively called also CHUANA, COANA, CUANA, SETSWANA, SECHUANA, BEETJUANS. It is one of the national languages of Botswana, where it is spoken by over 1,000,000.