Explanation

• The First Gulf War started in 1990 when Iraq invaded Kuwait.
• It began on 2 August 1990 with Iraq’s military action.
• The war ended in 1991 after a US-led coalition operation.
• It is also known as the Gulf War / Operation Desert Storm.
• It was caused by political and oil-related disputes between Iraq and Kuwait.

Last verified on 11-06-2026

Explanation

• Country: China
• First use: 806 AD (approx.)
• Early name: Feiqian (Flying Money)
• Dynasty: Tang Dynasty → Song Dynasty (official issue)
• Importance: First-ever paper-based monetary system

Last verified on 11-06-2026

Explanation

• The Mariana Trench is the deepest part of the Earth.
• It is located in the western Pacific Ocean.
• Its deepest point is called Challenger Deep.

Additional information:

• Depth: 10,994 meters
• Length: ~2,550 km
• Width: ~69 km

Last verified on 31-03-2026

Explanation

• Artist: Vincent van Gogh
• Year painted: 1889
• Art style: Post-Impressionism
• Location painted: Saint-Rémy-de-Provence, France
• Current location: Museum of Modern Art, New York

Last verified on 10-06-2026

Explanation

• Artist: Leonardo da Vinci (1452–1519)
• Painting Period: 1503–1519
• Origin: Italy
• Current Location: Louvre Museum, Paris, France
• Famous Features: Mysterious smile, sfumato technique, widely copied and recognized globally

Last verified on 18-01-2026