Voices of the First World War:

A carrier pigeon is assigned to a fixed loft and a moving loft. This picture shows a former London double decker bus which was used as a mobile loft. You can put 60 to 75 birds in a moving loft at any time

In the first half of the 20th century, a series of huge warfare occurred in the world of World War I and World War II. At the end of the First World War, a series of Russian revolution and a Russian civil war occurred. During the world war in the 1920s, most countries in the world saw progress and new technology, but prospered, but soon followed by the Great Depression. Meanwhile, the League of Nations was established to deal with global problems, but failed to gain adequate support from the great powers, a series of crises once again brought the world into a new era of violence .

Before the beginning of World War II, World War I (1914 - 1918) was widely believed that there were no such global conflicts, so in the "war that ends all wars" It was thought that there was. Size During the two world wars during the two world wars, the First World War was often called the "Great War". The outbreak of World War II in 1939 proved that humanity may "pass" the hope of demand for such a broad global war. With the advent of the Cold War in 1945 and the spread of nuclear weapons technology to the Soviet Union, the possibility of World War III became more rational. During the Cold War, the military authorities of many countries forecasted and planned the possibility of World War III. The scene ranges from normal war to a restricted or comprehensive nuclear war

It is regrettable that war can bring revolutionary technical social progress. People all over the world are studying the American Civil War. This is one of the earliest modern wars by some historians. Civil war has promoted the use of technology at many levels, whether it is railway, telegraph, first submarine, or widespread use of hot air balloon.

After the Second World War, many American civil war historians began to claim that the civil war was the first modern / comprehensive war. As Mark Grimsley summarized in the American Civil War: literature and research handbook, this topic contains many arguments. During the civil war, infantry equipped with infantry weapons and artillery, original machine guns, armored ships, early balloons, squads were used as evidence. It is said that the use of railway, steamship, riverboat, telegraph is affecting strategy. The emphasis on the new massive volunteer army and industrial capability affected the fighting and campaign. The civilian status as a legitimate goal of military and strategy may be the first and most important aspect for making the American Civil War the first modern and complete war period, so the discussion is It is as follows.