Explanation

• Mustard gas (Sulfur Mustard) was widely used as a chemical weapon in World War I (1914–1918).
• It was first introduced by Germany in July 1917.
• It causes severe burns, blisters, and damage to the eyes and lungs.
• It was used during the Third Battle of Ypres.

Last verified on 03-06-2026

Explanation

• The First Crusade was launched by European Christians to capture Jerusalem.
• It began after Pope Urban II called for it in 1095.
• The main goal was to take control of the Holy Land from Muslim rule.
• It ended with the capture of Jerusalem in 1099 A.D.

Last verified on 30-05-2026

Explanation

 World War I (1914–1918)

Explanation

• World War II: Global war, 1939–1945.
• Little Boy: Dropped on Hiroshima, 6 August 1945.
• Fat Man: Dropped on Nagasaki, 9 August 1945, 11:01 AM.
  

Additional information:

• World War I: Global war in Europe, 28 July 1914 – 11 November 1918.

Last verified on 17-05-2026

Explanation

• World War II ended in 1945.
• The war started in 1939 and lasted for 6 years.
• Germany surrendered in May 1945, ending the war in Europe.
• Japan surrendered after atomic bomb attacks in August 1945.
• The official end is marked in September 1945.

Additional information:

• Hiroshima was bombed on 6 August 1945.
• Nagasaki was bombed on 9 August 1945.
• Japan officially signed surrender on 2 September 1945.
• This ended the global conflict involving most world nations.

Important information:

• World War I: Global war in Europe, 28 July 1914 – 11 November 1918.

Last verified on 17-05-2026