Today in History — July 27: Important Events, Famous Birthdays, National & International Days

Last Updated: July 27, 2026

Today in History – July 27 occupies a monumental position in global history, bridging pivotal moments in modern geopolitics, clinical medicine, and international human rights. From the breakthrough isolation of the life-saving hormone insulin to the tragic passing of India’s visionary space scientist, Missile Man of India and former President Dr. APJ Abdul Kalam, this day marks events that transformed millions of lives. This comprehensive chronicle outlines the historical trajectory, significant birthdays, and global observances associated with July 27.

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This article covers:

• Major historical events on July 27
• Famous personalities born on July 27
• National and international observances
• Important current affairs and competitive exam facts

🌟 Top Highlights of July 27

• Medical Revolution (1921): Researchers successfully isolated insulin for the first time, establishing a therapeutic pathway to manage diabetes and saving millions of lives globally. 
• Demise of India’s Missile Man (2015): India’s beloved 11th President and pioneering space scientist, Dr. APJ Abdul Kalam, passed away on this day in 2015.
• Rise of the CRPF (1939): India’s largest central paramilitary force, the Central Reserve Police Force, was originally constituted on this day as the Crown Representative’s Police. 
• Birth of Melody Queen K.S. Chithra (1963): The legendary National Award-winning playback singer, fondly known as the ‘Little Nightingale of South India’, was born on this day in 1963.

🗓️ Important Historical Events on July 27

1694 – Royal Charter Granted to the Bank of England 

The Bank of England, which serves as the blueprint for modern central banks globally, was officially incorporated by Royal Charter. It was established to act as the government’s banker and manage public debt, fundamentally restructuring international public finance. 

Today in History — July 26: Important Events, Famous Birthdays, National & International Days

1889 – British India Committee Established in London 

Under the leadership of nationalist pioneer Dadabhai Naoroji and William Digby, the ‘British India Committee’ was established in London as a branch of the Indian National Congress (INC). Its objective was to raise awareness about Indian grievances and mobilize British public opinion in favor of Indian self-governance. 

1921 – Successful Isolation of Insulin 

At the University of Toronto, a research team led by Sir Frederick Banting and Charles Best successfully isolated the hormone insulin from the pancreas. This discovery revolutionized physiology and clinical medicine, transforming diabetes from a fatal diagnosis into a manageable condition. 

1929 – Signing of the Geneva Convention 

A total of 53 nations signed the Geneva Convention of 1929, which established standard humanitarian rules for the treatment of prisoners of war (POWs). This document became a cornerstone of modern international humanitarian law.

 1939 – Raising of the Central Reserve Police Force (CRPF) 

The premier internal security force of India was originally raised as the Crown Representative’s Police (CRP) at Neemuch under British rule. Post-independence, it was renamed the Central Reserve Police Force via a dedicated Act of Parliament in 1949. 

1940 – Debut of Bugs Bunny 

The legendary animated character Bugs Bunny made his official debut in the Warner Bros. animated short film A Wild Hare. His catchphrase, “What’s up, doc?”, quickly entered the global pop-culture lexicon. 

Today in History — July 25: Important Events, Famous Birthdays, National & International Days

1982 – Prime Minister Indira Gandhi Visits the United States 

Indian Prime Minister Indira Gandhi arrived in Washington D.C. for her first official state visit to the United States in nearly 11 years. The diplomatic engagement aimed to ease bilateral cold-war friction and build technological cooperation.

🎂 Famous Birthdays on July 27

📌 Other Notable Personalities: This day also marks the birthdays of Hindi novelist Krishna Baldev Vaid (1927); Dr. Veludanda Rameswara Rao (1935), an expert practitioner and author in Ayurveda and Homeopathy; M.V.S. Haranatha Rao (1948), an acclaimed playwright, screenwriter, and actor; Kathi Padma Rao (1953), renowned writer and Dalit rights activist; Raj (1954), popular Telugu music director of the famous Raj-Koti duo; and WWE legend and executive Triple H (1969).

🕯️ Notable Death Anniversaries on July 27

• 1844 – John Dalton: Celebrated English chemist and physicist who formulated the pioneering atomic theory of matter, laying the bedrock for modern chemistry. 
• 1992 – Amjad Khan
• Celebrated Indian actor and director who immortalized the iconic villain Gabbar Singh in the Bollywood classic Sholay, making him one of the most unforgettable characters in Indian cinema.
• 2003 – Avula Sambasiva Rao
• Prominent rationalist, former Chief Justice of the Andhra Pradesh High Court, the first Lokayukta of United Andhra Pradesh, and former Vice-Chancellor of Andhra University.
• 2015 – Dr. A. P. J. Abdul Kalam
• India’s renowned aerospace scientist who led India’s missile programs (Agni and Prithvi) and served as the highly revered 11th President of India. He passed away after suffering a cardiac arrest while delivering a lecture to students at the Indian Institute of Management (IIM), Shillong.

📌 Other Demises: P. A. Thanu Pillai (1970), Indian freedom fighter and former Chief Minister of erstwhile Travancore-Cochin state, also passed away on this day.

📢 National & International Days Observed on July 27

• CRPF Raising Day: Commemorates the establishment of the Central Reserve Police Force and celebrated across India to recognize the critical role played by the paramilitary force in maintaining internal security, managing counter-insurgency, and counter-terrorism operations.   
• Iglesia ni Cristo Day: Observed to commemorate the founding anniversary of the Iglesia ni Cristo, an international Christian church established in the Philippines and now present in many countries around the world.

💡Did You Know?

• The Transatlantic Feat: The undersea cable completed on July 27, 1866, reduced communication times between Europe and North America from roughly 12 days (via ships) to a mere 8 minutes via telegraphy. 
• The Initial Name of Insulin: When Frederick Banting and Charles Best first isolated the hormone in 1921, they initially labeled it “Isletin” after the Islets of Langerhans in the pancreas before it was officially named insulin. 
• Kalam’s Vision 2020: Dr. APJ Abdul Kalam strongly believed that youth power was the ultimate engine of growth. His final lecture before passing away was centered around building a highly sustainable, liveable planet using technology.

❓Frequently Asked Questions (FAQs)

Q1: Which team of scientists successfully isolated insulin for the first time, and when did this occur?

Ans: Sir Frederick Banting and Charles Best successfully isolated insulin at the University of Toronto on July 27, 1921.

Q2: When and where did the former President of India, Dr. APJ Abdul Kalam, pass away?

Ans: Dr. APJ Abdul Kalam passed away on July 27, 2015, following a sudden cardiac arrest while delivering a lecture at IIM Shillong, Meghalaya.

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Q3: What is the historical origin of the Central Reserve Police Force (CRPF) Raising Day celebrated on July 27?

Ans: The CRPF was originally established on July 27, 1939, under British rule as the ‘Crown Representative’s Police’.

Q4: What was the primary objective of the British India Committee founded in London on July 27, 1889?

Ans: Founded under Dadabhai Naoroji, its purpose was to educate the British public and parliament about Indian political grievances and campaign for self-rule.

Q5: Which pioneer of modern atomic theory in chemistry died on July 27?

Ans: English physicist and chemist John Dalton passed away on July 27, 1844.

Q6: Which international city became the first to host the modern Olympic Games three times, commencing its third stint on July 27?

Ans: London achieved this milestone when its 2012 Summer Olympic Games officially opened on July 27, 2012.

Q7: Who was the founding producer behind the classic Telugu film banner ‘Annapurna Pictures’?

Ans: Dukkipati Madhusudana Rao, who was born on July 27, 1917.

Today in History — July 23: Important Events, Famous Birthdays, National & International Days

Q8: Which prominent Indian playback singer is fondly referred to as the ‘Little Nightingale of South India’ or ‘Chinna Kuyil’?

Ans: K.S. Chithra, who celebrates her birthday on July 27 (born 1963).

Q9: Who was the first Lokayukta and former Chief Justice of the High Court of Andhra Pradesh who passed away on July 27, 2003?

Ans: Justice Avula Sambasivarao.

Q10: Allan Border represented which country in international cricket?

Ans: Australia.

Q11: Who was Sangam Lakshmibai?

Ans: Sangam Lakshmibai was an Indian freedom fighter, a prominent leader who opposed the Nizam’s rule, and later served as a Member of the Indian Lok Sabha.