One of the main reasons that the Three Gorges dam was built was to prevent flooding further downstream. The need for a dam was highlighted in 1954 when people were killed as a result of flooding of the Yangtze River.
Arab Spring refers to the democratic uprisings that arose independently and spread across the Arab world in 2011. The movement originated in Tunisia in December 2010 and quickly took hold in Egypt, Libya, Syria, Yemen, Bahrain, Saudi Arabia, and Jordan.
An 1848 painting titled Germania, by Philipp Veit. The Revolutions of 1848, known in some countries as the Spring of Nations, Springtime of the Peoples or the Year of Revolution, were a series of political upheavals throughout Europe in 1848.he March Revolution in the German states took place in the south and the west of Germany, with large popular assemblies and mass demonstrations. Led by well-educated students and intellectuals, they demanded German national unity, freedom of the press, and freedom of assembly.