answers: August
context: 77,000 years ago, caused a massive drop in sea levels, exposing the barrier and enabling modern "Homo sapiens" to leave Africa via an alternative route than Sinai. The finding of saline evaporites on the floor of the Red Sea confirms that this dam has functioned at various periods in the past. Rising sea levels during the Flandrian transgression (and in earlier interglacial periods) suggest that this area may have been subject to outburst flooding. Originally there was an isthmus across the Strait of Dover. During an earlier glacial maximum, the exit from the North Sea was blocked to the north </s> Flooding of the Nile The flooding of the Nile () has been an important natural cycle in Egypt since ancient times. It is celebrated by Egyptians as an annual holiday for two weeks starting August 15, known as "Wafaa El-Nil". It is also celebrated in the Coptic Church by ceremonially throwing a martyr's relic into the river, hence the name, The Martyr's Finger (, ). Ancient Egyptians believed that the Nile flooded every year because of Isis's tears of sorrow for her dead husband, Osiris. The flooding of the Nile is the result of the yearly monsoon between May and </s> his retirement age, studied the fluctuations of the water levels in the Nile, and already in 1946 submitted an elaborate plan for how a "century storage" could be achieved to cope with exceptional dry seasons occurring statistically once in a hundred years. His ideas of further reservoirs using Lake Victoria, Lake Albert and Lake Tana and of reducing the evaporation in the Sudd by digging the Jonglei Canal were opposed by the states concerned. Eventually, Gamal Abdel Nasser, President of Egypt from 1956 to 1970, opted for the idea of the Aswan High Dam at Aswan in Egypt instead of
question: when does the nile river flood every year