When did the Battle of Waterloo end? When did trench warfare begin? When was the Battle of Chattanooga? When was the Tuscarora War? When did Germany surrender in WW2? When did Congress approve the Treaty of Paris? When was French Indochina established?
When did Germany surrender in WW2? When did Japan invade Manchuria? When did the US enter WWII? When did ancient Japan end? When did the First Sino-Japanese War end? When did the Treaty of Nanking end? When did the Pearl Harbor attack end? When did the Battle of Pearl Harbor end? Wh...
Germany. A radio-based device for remotely indicating the presence of ships wasbuilt in Germany by Christian Hülsmeyer in 1904. Often referred to as the first radar system, this did not directly measure the range (distance) to the target, and thus did not meet the criteria to be given t...