Explanation

• Nelson Mandela became the first Black President of South Africa on 10 May 1994.
• He served as president until 1999.
• He was imprisoned in 1962.
• He spent 27 years in prison.
• Nelson Mandela International Day is celebrated on 18 July.
• He died on 5 December 2013.

Last verified on 03-06-2026

Explanation

• Nicolaus Copernicus is called the Father of Modern Astronomy.
• He introduced the heliocentric theory in 1543.
• This theory stated that the Sun is at the center of the solar system.
• His ideas changed the old belief that Earth is the center.

Additional information:

• Galileo Galilei, a later figure, is often called the "father of observational astronomy".

Last verified on 01-06-2026

Explanation

• Albert Einstein was born in Germany, on March 14, 1879.
• He died on 18 April 1955 (aged 76) in the U.S.
• He is one of the most influential physicists of the 20th century.
• In 1905, he published four landmark papers in physics.

Last verified on 01-06-2026

Explanation

• Charles Babbage is known as the Father of the Computer.
• He designed the more advanced Analytical Engine, which featured a "Mill" (CPU) and a "Store" (memory).

Additional information:

• He was an English polymath.
• Born: 26 December 1791 London, England
• Died: 18 October 1871 (aged 79) London, England

Last updated on 09-03-2026

Explanation

• Leader: Winston Churchill
• Speech: Fulton (Sinews of Peace) Speech (Missouri, USA)
• Date and Year: March 5, 1946
• Meaning: Division of Europe into East (Soviet) and West (Democratic) blocs
• Era: Start of Cold War

Last verified on 16-05-2026