Explanation

• Location: Between England and France
• Connects: Atlantic Ocean (via the North Atlantic) and the North Sea
• Narrowest point: Strait of Dover
• Max. length: 560 km (350 mi)
• Max. width: 240 km (150 mi)

Explanation

• Waterloo is located in Belgium, near the capital Brussels.
• The Battle of Waterloo was fought on 18 June 1815.
• It marked the final defeat of Napoleon Bonaparte.
• Napoleon was defeated by the allied forces commanded by the Duke of Wellington and Prussian forces under Gebhard von Blücher.

Last verified on 08-10-2026

Explanation

• Greenwich Mean Time (GMT) is based on the mean solar time at the Royal Observatory in Greenwich, London, UK.
• The Greenwich Meridian (0° longitude) passes through Greenwich.
• The international system of standard time zones was established at the International Meridian Conference in 1884.

Last verified on 08-10-2026

Explanation

• The Gulf of Mannar lies between southeastern India and western Sri Lanka.
• It is part of the Indian Ocean.
• The gulf is known for its rich marine biodiversity and coral reefs.
• The Palk Strait also separates India and Sri Lanka.
• It lies north of the Gulf of Mannar.

Additional information:

• Gulf of Aden: Yemen–Somalia
• Persian Gulf: Iran–Arabian Peninsula

Last verified on 08-10-2026

Explanation

• Silicon Valley is widely recognized as a major global center of innovation and technology.
• It is located in California, USA.
• It is mainly in the southern San Francisco Bay Area.
• It is home to many major technology companies and startups.
• The region is particularly known for technology, software, entrepreneurship, and innovation.

Last verified on 08-10-2026