• 1795 – The first stone of the Pontcysyllte Aqueduct is laid.
• 1837 – The first commercial use of an electrical telegraph
is successfully demonstrated by William Cooke and Charles Wheatstone on July
25, 1837 between Euston and Camden Town in London.
• 1875 – Birth Day of Jim Corbett, Indian hunter, environmentalist, and
author (Death on 1955)
• 1908 – Birthday of Semmangudi Srinivasa Iyer, Indian singer (Death on 2003)
• 1959 – Lloyd J. Old introduced BCG, a tuberculosis vaccine,
into experimental cancer research as a way to stimulate non-specific resistance
to tumor growth. BCG was FDA-approved in 1991 and is now widely used as a first
line treatment for superficial bladder cancer.
• 1973 – Soviet Mars 5 space probe is launched.
• 1976 – Viking program: Viking 1 takes the famous Face on
Mars photo.
• 1978 – Louise Brown, the world's first "test tube
baby" is born.
• 2002 – A.P.J. Abdul Kalam became the 11th president of
India.
• 2007 – Pratibha Patil is sworn in as India's first female
president.
Social Plugin