Important Events of July 7


Rudolf Wolf Birth Day

Birth :

He was Born on July 7, 1816.

Rudolf Wolf

  • He was a Swiss astronomer and mathematician best known for his research on sunspots.
  • Around 1850, to study the laws of probability, Wolf performed a Buffon’s needle experiment, dropping a needle on a plate 5000 times to verify the value of π, a precursor to the Monte Carlo method.
  • The Wolf number, as it is now called, remains in use. In 1852 Wolf was one of four people who discovered the link between the cycle and geomagnetic activity on Earth.

MS Dhoni Birthday

Mahendra Sing Dhoni


He was Born on July 7, 1981.

  • commonly known as MS Dhoni is an Indian international cricketer who captained the Indian national team in limited-overs formats from 2007 to 2016 and in Test cricket from 2008 to 2014. An attacking right-handed middle-order batsman and wicket-keeper, he is widely regarded as one of the greatest finishers in limited-overs cricket. He is also regarded as one of the best wicket-keepers in world cricket and is known to have very fast hands. He made his One Day International (ODI) debut in December 2004 against Bangladesh, and played his first Test a year later against Sri Lanka.
  • Dhoni has been the recipient of many awards, including the ICC ODI Player of the Year award in 2008 and 2009 (the first player to win the award twice), the Rajiv Gandhi Khel Ratna award in 2007, the Padma Shri, India’s fourth highest civilian honour, in 2009 and the Padma Bhushan, India’s third highest civilian honour, in 2018.

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