Science
Books/Authors
Books/Authors
His book ' Philosophiæ Naturalis Principia Mathematica ' was published in 1687
Isaac Newton
In the Principia, Newton formulated the Laws of motion and universal gravitation
in Roman numeral
L
The Prime Minister who declared the Emergency in India in 1975
Indira Amma
Oscar Movie
Godfather II
The adult human skeleton is typically made up of this exact number of bones.
206
The Double Helix: A Personal Account of the Discovery of the Structure of DNA, 1968
James D. Watson
The current 50-star American flag design on July 4, 1960, was adopted after this state became the nations 50th state.
Hawaii
India launched its first-ever satellite on April 19, 1975, named after this ancient Indian astronomer and mathematician.
Aryabhatta
US President
Gerald Rudolph Ford Jr. was the 38th president of the United States from 1974 to 1977.
In 1911, the Mona Lisa painting was stolen from this museum, which was recently in news again about a major robbery
Musée du Louvre
Charles Darwin proposed the theory of evolution by natural selection in this book
On the Origin of Species
Published in 1859
Element with
Atomic Number: 50
Symbol: Sn
Tin
This person, an Andhra Pradesh native, served as the fourth President of India and was awarded the Bharat Ratna in 1975
Varahagiri Venkata Giri
Superhit Tollywood movie directed by Bapu with Chandramohan and Radhika in lead roles with pearls in the title.
Mutyala Muggu
Meaning “a fortunate accident,” this 10-letter word was coined by Horace Walpole in 1754 and comes from a Persian fairy tale.
serendipity
An Essay on the Principle of Population
Thomas Robert Malthus
In 1798, he proposed that the population increases in geometric progression while food production in an arithmetic progression.
This tech company was founded on April 4, 1975, by childhood friends in Albuquerque, New Mexico
Microsoft was founded on April 4, 1975, by childhood friends Bill Gates and Paul Allen in Albuquerque, New Mexico
The Indian government banned the songs of this famous playback singer on Doordarshan and All India Radio because he refused to endorse the Emergency propaganda.
Kishore Kumar?
“నీ పేరు ఏమిటి, బసంతి?” is from this movie
Sholay
This U.S. state's flag features a pelican feeding its young; in 2025 it celebrated 50 years of its modern design.
Louisiana?
Elements, written in 300BC - this mathematical treatise is the foundation of geometry and formal logic
Euclid
This war ended 50 years ago
The Vietnam War ended on April 30, 1975, with the Fall of Saigon, when North Vietnamese forces captured the capital of South Vietnam.
This northeastern kingdom's monarchy was abolished via a referendum, leading to its full integration as the 22nd state of the Indian Union in May 1975.
Sikkim
The first and only Black man to win the Wimbledon men's singles title
Arthur Ashe made history on July 5, 1975, famously upsetting the heavily favored Jimmy Connors
In 2025, this iconic American company celebrated 50 years of its first microprocessor, which launched the personal computing revolution.
Intel