The Sumerians are thought to have formed the first human civilization in world history. They lived in southern Mesopotamia, between the Tigris and Euphrates Rivers in the Middle East. Cradle of Civilization. Many historians think that cities and towns were first formed in Sumer around 5000 BC.
At noon, on March 21 and September 23rd are the vernal and autumnal equinoxes. The sun is directly overhead at the equator at these times. On June 22nd is the summer solstice, in the Northern Hemisphere. The sun is at the 23.5 degrees Northern latitude.
Venus reaches its greatest elongation â its greatest angular distance â 45 degrees to the east of the sun on June 6. On the evenings of June 30 and July 1, it will team with Jupiter in a spectacularly close conjunction high in the western sky at dusk. Venus will be at its brightest in early summer as it heads back down toward the sun, reaching its greatest brilliancy for this apparition on the evening of July 10 at magnitude â4.5.