Explanation

• The Goldsmid Line marks the border between present-day Pakistan and Iran.
• It was established through the Goldsmid Commission in 1871–1872.
• The boundary was surveyed under Major-General Frederick John Goldsmid.
• It forms part of the Pakistan–Iran international border.

Last verified on 05-09-2026

Explanation

1. Turkey
2. Bulgaria
3. Romania
4. Ukraine
5. Russia
6. Georgia

Additional information:

• The Bosphorus Strait is a narrow natural waterway in Turkey.
• It connects the Black Sea with the Sea of Marmara.
• It is the forming part of the boundary between Europe and Asia.

Last verified on 10-05-2026

Explanation

• The southern border of the United States is connected to Mexico.

Additional information:

• Border length: ~3,145 km (1,954 miles)
• Western end: Pacific Ocean (near Tijuana, Mexico)
• Eastern end: Gulf of Mexico (near Brownsville, Texas)
• Border states in USA: California, Arizona, New Mexico, Texas
• Major crossings: San Ysidro, El Paso, Laredo

Last verified on 18-03-2026

Explanation

The 38th parallel is a name given to the latitude 38° N, which demarcates North Korea and South Korea.

ADDITIONAL INFORMATION RELATED TO 38th parallel 

The line was demarcated by U.S. military planners at the Potsdam

It was established at the end of World War II.

It is the symbol of the Cold War.

It is a circle of latitude 38 degrees north of the equator.

Explanation

China claims part of the Indian province of Arunachal Pradesh, which it calls “South Tibet”.

Additional information:

• Area Claimed by China: ~90,000 sq km
• Borders: Shares boundary with China (Tibet) and Bhutan
• War: Sino-Indian War in 1962
• Capital of Arunachal Pradesh: Itanagar
• Total Indian States with Border Disputes: 4 (Arunachal Pradesh, Jammu & Kashmir, Sikkim, Ladakh)

Last Verified on 13-01-2026