Explanation

• Walter Hunt patented the safety pin on April 10, 1849.
• He sold the patent rights for $400, which is approximately $14,000 today.

Last updated by NA on 06-11-2026

Explanation

• Alexander Graham Bell is credited as the inventor of the telephone.
• He was awarded the first successful patent for it.
• The telephone was invented in 1876.
• Bell made the first-ever telephone call to his assistant Thomas Watson.

Last updated by NA on 06-11-2026

Explanation

• Currency: Renminbi (Yuan/CNY)
• Symbol: ¥ / 元
• Capital: Beijing
• Official Language: Mandarin
• Continent: Asia
• Parliament: National People’s Congress (NPC)
• National Sport: Table Tennis
• Religion: No official religion

Explanation

• Edition: 22
• Held: 20 November 18 December 2022 (Qatar)
• Matches: 64
• Length: 28 days
• First Asian cities to host FIFA world cup: South Korea & Japan (2002)
• First Arab country to host FIFA world: Qatar (2022)
• FIFA world cup held in Asia in 2022: Second time
• Venues: 8 (5 cities)
• Country to provide security: Pakistan (sent around 4500 soldiers)
• Country to produce ball: Pakistan
• Participating countries from Asia: Qatar, Iran, South Korea, Japan & Saudi Arabia
• Winner: Argentine
• Argentine won: after 36 years (previously won in 1986)
• Runner-up: France
• Argentine won: third time
• Goals scored: 172
• Top scorer: Kylian Mbappe (8 goals)
• Kylian Mbappe belongs: France
• Best player: Lionel Messi (7 goals) (Argentine)
• Golden Ball winner: Lionel Messi
• Lionel Messi won Ball: Second time
• Lionel Messi won Golden Ball first time: 2014
• Best young player: Enzo Fernendez (Argentine)
• Best goalkeeper: Emiliano Martinez (Argentine)
• Country to get third position: Croatia
• Country to get fourth position: Morocco
• Golden Boot winner: Kylian Mbappe (8 goals)
• Second player to score hat-trick in Final: Kylian Mbappe
• First Arab country to Qualify for semi-final: Morocco
• Final held: Lusail Stadium 
• World Cup trophy showcased by: Deepika Pedukone (Indian actress) & Iker Casillas (Spanish legend footballer)
• Golden Glove winner: Emiliano Martinez (Argentine)
• In 2022, Argentine became the first South American nation to win FIFA World Cup since Brazil in 2002.
• France lost in the final of a World Cup for the second time (First vs Italy in 2006) (second vs Argentine in 2022)

Last updated by NA on 06-11-2026

Explanation

Albert Einstein 

- Profession: Theoretical physicist.

- Century: One of the most influential physicists of the 20th century.

- 1905: Published four landmark scientific papers.

- Nobel Prize: Awarded for his explanation of the photoelectric effect, not the Special Theory of Relativity.