Explanation

• The world second longest river is Amazon.

Additional information:

• South America: Amazon River – Longest river.
• United States (USA): Mississippi River – Longest river.
• Asia: Yangtze River – Longest river.
• Europe: Volga River – Longest river.

Last verified on 21-07-2026

Explanation

• Country: Australia
• Founded: 16 November 1920
• Headquarters: Mascot, New South Wales, Australia
• First International Passenger Flight: May 1935
• Full Name: Qantas Airways Limited (Originally: Queensland and Northern Territory Aerial Services)

Additional information:

• Emirates → United Arab Emirates (UAE)
• Saudia → Saudi Arabia
• Malaysia Airlines → Malaysia
• Pakistan International Airlines (PIA) → Pakistan

Last verified on 21-07-2026

Explanation

• National Emblem: Tiger and Shield
• Official Name: Jata Negara
• Supporters: Two Tigers
• Top Symbol: Yellow Crescent and 14-pointed Star
• National Motto: "Bersekutu Bertambah Mutu" (Unity is Strength)

Last verified on 21-07-2026

Explanation

The following nine countries are declared nuclear powers: 

1. USA
2. Russia
3. UK
4. France
5. China
6. India
7. Pakistan
8. Israel
9. North Korea

Nuclear weapons first developed in 1945 (USA).

Nuclear powers are divided into:

1. Official (NPT recognized): USA, Russia, UK, France, China
2. Non-NPT / de facto: India, Pakistan, Israel, North Korea

Last verified on 06-06-2026

Explanation

• Caspian Sea, Red Sea and Aral Sea are actually lakes.
• The Caspian Sea and Aral Sea are actually endorheic (inland) salt lakes.
• They are called “seas” due to their large size and historical naming.

Additional information:

• The Caspian Sea lies between Europe and Asia.
• The Aral Sea has drastically shrunk due to river diversion for irrigation.
• The Red Sea connects to the Indian Ocean via the Gulf of Aden.

Last verified on 06-07-2026

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

• Country: Australia
• Name: Great Barrier Reef
• Location: Coral Sea, off Queensland
• Length: Over 2,300 km (1,400 miles)
• Area: Approximately 344,400 km² (133,000 sq mi)
• The reef consists of around 2,900 individual reefs and 900 islands.
• It is a UNESCO World Heritage Site, inscribed in 1981.

Last verified on 20-07-2026

Explanation

• Launched: 7th September 2013
• Founder / Initiator: Xi Jinping
• Main Goal: Global connectivity through roads, railways, ports, and energy projects
• Regions Connected: Asia, Europe, Africa, and beyond
• Participating Countries: Over 150 countries

Last verified on 10-03-2026

Explanation

• Headquarters: Lyon, France
• Full Name: International Criminal Police Organization (INTERPOL)
• Founded: 1923
• Current Members: 196 countries
• Official Languages: Arabic, English, French, Spanish
• Purpose: International police cooperation and combating cross-border crime.

Last verified on 18-07-2026

Explanation

• Headquarters: Washington, D.C., USA
• Founded: 27 December 1945
• Members: 190 countries
• Official language: English
• Purpose: Global financial stability & loans support

Last verified on 24-06-2026