Flash Check — 75 Questions

1. On what date did the Constitution of India come into force, and what document did it replace? — 26 January 1950; the Government of India Act, 1935.
2. Why was 26 January specifically chosen for this? — The Indian National Congress had observed 26 January 1930 as "Purna Swaraj" (complete independence) day; the Constitution's framers deliberately reused the same date two decades later.
3. What event does National Voters' Day (25 January) commemorate? — The foundation of the Election Commission of India, established 25 January 1950 — one day before the Constitution took effect.
4. What event does Army Day (15 January) mark? — Lt Gen K.M. Cariappa becoming the first Indian Commander-in-Chief of the Indian Army, in 1949.
5. Whose birth anniversary is National Youth Day, and why was he chosen? — Swami Vivekananda (12 January); his energetic, disciplined philosophy is treated as an ideal model for Indian youth.
6. What historical event does Pravasi Bharatiya Divas (9 January) commemorate? — Mahatma Gandhi's return to India from South Africa in 1915.
7. What does National Girl Child Day (24 January) address, and since what year has it been observed? — The rights, treatment, and value of girls in Indian society, including the declining child sex ratio; observed since 2008.
8. Whose assassination does Martyrs' Day (30 January) mark? — Mahatma Gandhi's, on 30 January 1948.
9. What discovery does National Science Day (28 February) commemorate, and in what year was it announced? — The Raman Effect (scattering of light changes wavelength), announced by C.V. Raman on 28 February 1928.
10. In what year did the Raman Effect win the Nobel Prize in Physics, and how does this differ from the discovery-announcement year? — 1930; two years after the 1928 announcement — a frequently confused pair of dates.
11. What event does International Mother Language Day (21 February) commemorate? — A 1952 incident in Dhaka where students protesting for Bangla's recognition as an official language were killed by police.
12. What treaty's 1973 signing does World Wildlife Day (3 March) mark? — CITES — the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
13. In what year did the UN formally recognise International Women's Day (8 March), and what labour-movement roots trace back further? — Formally recognised by the UN in 1975 (International Women's Year); roots trace to a 1908 garment workers' march in New York.
14. What US presidential address gives World Consumer Rights Day (15 March) its origin, and in what year? — John F. Kennedy's 1962 address to Congress outlining consumer rights.
15. Name the two entirely unrelated events that share 23 March in the Indian context. — World Meteorological Day (WMO convention took effect, 1950) and Shaheed Diwas for Bhagat Singh, Rajguru, and Sukhdev (executed 1931).
16. What did Robert Koch announce on 24 March 1882, giving World TB Day its date? — His discovery of the bacterium causing tuberculosis.
17. What UN conference's opening date gives World Environment Day (5 June) its origin, and where was it held? — The UN Conference on the Human Environment, opened 5 June 1972 in Stockholm.
18. What organisation was created as a direct result of that same Stockholm conference? — The UN Environment Programme (UNEP), later in 1972.
19. What astronomical event does 21 June mark, and how does it connect to International Day of Yoga? — The summer solstice (longest day) in the Northern Hemisphere — chosen for its symbolic alignment with yoga's balance theme.
20. In what year was Yoga Day proposed at the UN, and in what year was it first observed? — Proposed September 2014; first observed 2015.
21. Whose birth anniversary gives World Red Cross Day (8 May) its date, and what event led him to found the movement? — Henry Dunant (born 1828); his eyewitness account of the 1859 Battle of Solferino's aftermath.
22. Whose birth anniversary gives International Nurses Day (12 May) its date? — Florence Nightingale, born 12 May 1820.
23. What event does National Technology Day (11 May) commemorate, and under what operation name? — India's Pokhran-II nuclear tests in 1998, under Operation Shakti.
24. Whose assassination does Anti-Terrorism Day (21 May) mark? — Former Prime Minister Rajiv Gandhi's, in 1991.
25. Whose birth anniversary gives World Blood Donor Day (14 June) its date, and what did he discover? — Karl Landsteiner (born 1868); the ABO blood group system.
26. Whose birth anniversary is National Statistics Day (29 June), and what institution did he found? — P.C. Mahalanobis, founder of the Indian Statistical Institute.
27. What two entirely unrelated observances share 1 July? — National Doctors' Day (Dr B.C. Roy) and GST Day (2017 rollout anniversary).
28. What approximate global-population milestone gives World Population Day (11 July) its origin? — The "Five Billion Day," 11 July 1987, when world population was estimated to reach five billion.
29. What operation, war, and year does Kargil Vijay Diwas (26 July) commemorate? — Operation Vijay, the Kargil War, 1999.
30. Whose birth anniversary gives World Hepatitis Day (28 July) its date, and what did he discover? — Dr Baruch Blumberg (born 1925); the hepatitis B virus.
31. What summit established International Tiger Day (29 July), and in what year? — The St Petersburg Tiger Summit, 2010.
32. What historical event gives National Handloom Day (7 August) its date? — The launch of the Swadeshi Movement in Calcutta, 1905.
33. Name the three unrelated observances that all share 9 August. — Quit India Movement Day (India, 1942), Nagasaki Day (second atomic bombing, 1945), and the International Day of the World's Indigenous Peoples (UN, since 1994).
34. On what date did India gain independence, and who chose that specific date, reportedly for what reason? — 15 August 1947; chosen by Lord Mountbatten, reportedly because it was the second anniversary of Japan's surrender in WWII.
35. Whose birth anniversary gives National Sports Day (29 August) its date, and what sport and achievement is he remembered for? — Major Dhyan Chand (born 1905); hockey, and leading India to Olympic gold in 1928, 1932, and 1936.
36. Whose birth anniversary is Teachers' Day (5 September), and what is the origin story behind the choice? — Dr Sarvepalli Radhakrishnan; when former students asked to celebrate his birthday, he asked instead that the day honour all teachers.
37. What congress's opening date gives International Literacy Day (8 September) its origin? — The World Congress of Ministers of Education on the Eradication of Illiteracy, Tehran, 1965.
38. What event does Hindi Diwas (14 September) mark, and how does it differ from World Hindi Day? — The Constituent Assembly's 1949 adoption of Hindi (Devanagari script) as an official language; World Hindi Day (10 January) instead marks the first World Hindi Conference of 1975.
39. Whose birth anniversary is Engineer's Day (15 September), and what is he best known for? — Sir M. Visvesvaraya; the Krishna Raja Sagara Dam and major irrigation/flood-control systems.
40. What treaty's 1987 signing gives World Ozone Day (16 September) its date? — The Montreal Protocol on Substances that Deplete the Ozone Layer.
41. Whose birth anniversary is Gandhi Jayanti (2 October), and what UN-designated day shares this date since 2007? — Mahatma Gandhi's (born 1869); the International Day of Non-Violence.
42. What UNESCO/ILO document's 1966 adoption gives World Teachers' Day (5 October) its date? — The Recommendation concerning the Status of Teachers.
43. In what year was the Indian Air Force officially established, giving Air Force Day (8 October) its date? — 1932.
44. Whose birth anniversary gives World Students' Day (15 October) its date? — Dr A.P.J. Abdul Kalam's.
45. What organisation's 1945 founding gives World Food Day (16 October) its date? — The Food and Agriculture Organization (FAO).
46. What historical clash gives CRPF Valour Day / Police Commemoration Day (21 October) its date? — The 1959 clash at Hot Springs, Ladakh, where CRPF personnel confronting a Chinese intrusion were killed.
47. What event does United Nations Day (24 October) commemorate, and in what year? — The UN Charter coming into force, 1945.
48. Whose birth anniversary gives National Unity Day (31 October) its date, and what is he remembered for? — Sardar Vallabhbhai Patel (born 1875); the political integration of over 560 princely states into the Indian Union.
49. Whose birth anniversary is Children's Day in India (14 November), and how does it differ from Universal Children's Day? — Jawaharlal Nehru's; Universal Children's Day (20 November) instead marks the 1959 and 1989 UN child-rights declarations, both adopted on that date thirty years apart.
50. Whose birth anniversary gives World Diabetes Day (14 November) its date, and what did he co-discover? — Sir Frederick Banting's; the co-discovery of insulin, 1921.
51. What did the Constituent Assembly do on 26 November 1949, and how does this differ from 26 January 1950? — It adopted the Constitution of India; the Constitution came into force two months later, on 26 January 1950.
52. Since what year has 26 November been observed as Constitution Day, and on whose birth anniversary occasion was it launched? — Since 2015, on the occasion of Dr B.R. Ambedkar's 125th birth anniversary.
53. What tragic event does National Pollution Control Day (2 December) mark? — The Bhopal Gas Tragedy of 1984.
54. What operation does Indian Navy Day (4 December) commemorate, and in which war? — Operation Trident, a missile-boat strike on Karachi harbour, during the 1971 Indo-Pakistani war.
55. What document's 1948 adoption gives Human Rights Day (10 December) its date? — The Universal Declaration of Human Rights, adopted by the UN General Assembly.
56. What event does Vijay Diwas (16 December) commemorate, and how many days does it fall after Navy Day? — Pakistan's Eastern Command formally surrendering in Dhaka, ending the 1971 war and leading to Bangladesh's creation; 12 days after Navy Day.
57. Whose birth anniversary is Kisan Diwas (23 December)? — Chaudhary Charan Singh's, former Prime Minister of India.
58. What 1986 legislative event gives National Consumers' Day (24 December) its date? — The Consumer Protection Act receiving presidential assent.
59. Whose birth anniversary is Good Governance Day (25 December), and since what year has it been observed? — Atal Bihari Vajpayee's; observed since 2014.
60. Explain the "founding date becomes observance date" pattern, naming at least three examples from this book. — World Health Day (WHO founded 1948), World Meteorological Day (WMO convention took effect 1950), World Intellectual Property Day (WIPO convention took effect 1970), and UN Day (UN Charter took effect 1945) all mark their own sponsoring organisation's founding/convention date.
61. Who typically sets the annual theme for a WHO-sponsored day such as World Health Day? — The World Health Organization itself.
62. Who typically announces the theme for an India-specific observance, and roughly how far in advance? — The relevant government ministry, usually in the weeks immediately before the observance.
63. Why does this book avoid printing any specific year's theme as a permanent fact? — Because annual themes change every year and a static reference would become factually wrong the moment the calendar turns; always verify the current year's theme closer to the exam.
64. What event gives National Maritime Day (5 April) its date? — The maiden voyage of the S.S. Loyalty, the first Indian-owned ship to sail from Bombay to London, in 1919.
65. Name the founding-anniversary link behind World Post Day (9 October). — The founding of the Universal Postal Union (UPU) in Bern, Switzerland, in 1874.
66. What two literary figures' shared death anniversary gives World Book and Copyright Day (23 April) its date? — William Shakespeare and Miguel de Cervantes, both who died in 1616.
67. What constitutional amendment's coming into force gives National Panchayati Raj Day (24 April) its date? — The 73rd Constitutional Amendment, in 1993.
68. What event does International Day of Mine Awareness (4 April) address, and when was it designated? — Landmine clearance and assistance to mine-blast victims; designated by the UN General Assembly in 2005.
69. What tragedy gives World Humanitarian Day (19 August) its date, and what other, unrelated observance shares this date? — The 2003 bombing of UN headquarters in Baghdad; World Photography Day also falls on 19 August, marking the 1839 announcement of the daguerreotype process.
70. What committee's 1894 founding gives International Olympic Day (23 June) its date? — The International Olympic Committee, founded at the Sorbonne in Paris.
71. What convention's 1994 adoption gives World Day to Combat Desertification (17 June) its date? — The UN Convention to Combat Desertification.
72. Name the sponsoring body and founding year behind International Literacy Day and the sponsoring body behind World Press Freedom Day — are they the same? — Yes, both are UNESCO-sponsored; Literacy Day traces to the 1965 Tehran congress, and Press Freedom Day (1993) traces to the 1991 Windhoek Declaration.
73. What does the phrase "announced, not awarded" refer to in this book's science-day pattern, and give one example. — Several science observance dates mark when a discovery was first announced, not when it later won a formal prize — e.g., the Raman Effect was announced in 1928 but won the Nobel Prize only in 1930.
74. What two Indian armed-forces "Day" observances fall exactly twelve days apart in December, and what single war connects them? — Navy Day (4 December) and Vijay Diwas (16 December), both connected to the 1971 Indo-Pakistani war.
75. In the "command, founding, or battle" sorting framework for armed-forces days, which category does each of Army Day, Air Force Day, and Navy Day fall into? — Army Day: command handover (Cariappa, 1949). Air Force Day: founding date (1932). Navy Day: battle/operation outcome (Operation Trident, 1971).

End of Book 19 in this revision series.