第二次世界大戰，简称 二战，是1939年至1945年爆發的全球 軍事衝突。 第二次世界大战涉及 全球絕大多數的國家，包括所有的 大國，并最終分成兩個彼此對立的 軍事同盟 —— 同盟國 和 軸心國。 這次戰爭是人類史上 規模最大的戰爭，各国动员至少1億多名軍人參與這次軍事衝突。 主要的參戰國紛紛宣布進入 總體戰 狀態，幾乎將自身國家的全部經濟、工業、 科學技術 用於戰爭之上，同時將民用和軍用的資源合併以便規劃。 第二次世界大戰也是有紀錄以來最多大規模民眾 …

The Char D2 was a French medium tank of the interwar period. In 1930, at a time the Char D1 had not even entered production, the Renault company agreed to build a better armoured version called the Char D2. By not using old-fashioned rivets, it was hoped to save weight.

Aircraft historian René Francillon speculates that Hughes probably initiated the project for another circumnavigation record attempt, but the outbreak of World War II closed

World War II [b] or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated, with many nations mobilising all resources in pursuit of total war.

Caterpillar built 20,503 D7's during World War Two, which was 40% of the tractors it built from 1942-1945. The Caterpillar D7 with a LeTourneau bulldozer but painted in olive-drab rather than Caterpillar yellow, was the iconic military crawler tractor-bulldozer combination of World War II.

6 天之前 · World War II was a conflict that involved virtually every part of the world during 1939–45. The main combatants were the Axis powers (Germany, Italy, and Japan) and the Allies (France, Great Britain, the United States, the Soviet Union, and China). It was the bloodiest conflict, as well as the largest war, in human history.

2009年10月29日 · World War II, the largest and deadliest conflict in human history, involved more than 50 nations and was fought on land, sea and air in nearly every part of the world. Also known as the Second...

The Char Renault D2 was a French interwar medium tank built between 1936 and 1940, to 100 units

2025年4月3日 · World War II was a conflict that involved virtually every part of the world during 1939–45. The main combatants were the Axis powers (Germany, Italy, and Japan) and the Allies (France, Great Britain, the United States, the Soviet Union, and China). It was the bloodiest conflict, as well as the largest war, in human history.

Early prototypes were, among others, fitted with turrets of the Renault’s FT 17 during a mock-up. The production models had the APX-1 turret, armed with a short 47mm SA34 tank gun and a coaxial 7.5mm MG. From March 1940 the more powerful 47mm SA35 tank gun was fitted, many older tanks were re-equipped with it.