GPS was developed by

                                                                     Ans: US Army 

photo:mrmc.amedd.army.mil

Mars made its closest approach to Earth

Mars made its closest approach to Earth and maximum apparent brightness in nearly 60,000 years, 55,758,006 km (0.372719 AU), magnitude −2.88, on 27 August 2003 . This occurred when Mars was one day from opposition and about three days from its perihelion, making Mars particularly easy to see from Earth. The last time it came so close is estimated to have been on September 12, 57 617 BC, the next time being in 2287. source wikipedia.org

photo:4sci.net

Who discovered the the planet Uranus?

                                                                Ans: William Herschel

Photo:www.britishempire.co.uk

Mother Teresa

 Mother Teresa ( Blessed Teresa of Calcutta, M.C) was an Albanian born, Indian Roman Catholic Religious Sister  born on 26 August 1910. Mother Teresa founded the Missionaries of Charity, a Roman Catholic religious congregation, which in 2012 consisted of over 4,500 sisters and is active in 133 countries. Died on 5 September 1997.

photo:www.iloveindia.com

First black woman to win Wimbledon

Althea Gibson was an American tennis player and professional golfer, and the first African-American athlete of either gender to cross the color line of international tennis. She was born on August 25, 1927. In 1956 she became the first person of color to win a Grand Slam title. She died on September 28, 2003. 

photo:blackhistorynow.com

Excluded Pluto

Pluto is the second-most-massive known dwarf planet in the Solar System after Eris. On August 24, 2006, the International Astronomical Union (IAU) defined what it means to be a "planet" within the Solar System. This definition excluded Pluto as a planet and added it as a member of the new category "dwarf planet" along with Eris and Ceres. After the reclassification, Pluto was added to the list of minor planets and given the number 134340.

photo:www.mnn.com

International Day for the Remembrance of the Slave Trade and its Abolition

International Day for the Remembrance of the Slave Trade and its Abolition is observed on annually August 23, the day designated by UNESCO to memorialize the transatlantic slave trade. The date is significant because, during the night of August 22 to August 23, 1791 on the island of Saint Domingue (Haiti), an uprising began which set forth events which were a major factor in the abolition of the transatlantic slave trade.

Photo:www.enar-eu.org

Steam engine innovator

Denis Papin was a French physicist, mathematician and inventor, best known for his pioneering invention of the steam digester, the forerunner of the steam engine. He was born on 22 August 1647.

photo:www.telegraph.co.uk

John L. Hall

John Lewis "Jan" Hall was born August 21, 1934. He is an American physicist, and Nobel laureate in physics. He shared one fourth of the 2005 Nobel Prize in Physics with Theodor W. Hänsch and Roy Glauber for his work in precision spectroscopy(is the study of the interaction between matter and radiated energy).

photo:phys.org

Constitution of the Republic of Hungary 1946

The Constitution of the Republic of Hungary of 1949 was adopted on 20 August 1949 and heavily amended on 23 October 1989, was Hungary's first permanent written constitution, and until its replacement in 2011, the country was the only former Eastern Bloc nation that did not adopt an entirely new constitution after the fall of Communism.

photo:www.kormany.hu

World Humanitarian Day

World Humanitarian Day is observed on August 19. It is a day dedicated to recognize humanitarian personnel and those who have lost their lives working for humanitarian causes. It was designated by the United Nations General Assembly. 

photo:stjohneyehospital.wordpress.com

Orville Wright

Orville Wright, the co- inverter of airplane was born on  August 19, 1871 and died on January 30, 1948.
 The Wright brothers  (Orville & Wilbur ) were two American brothers, inventors, and aviation pioneers who were credited with inventing and building the world's first successful airplane and making the first controlled, powered and sustained heavier-than-air human flight, on December 17, 1903.

Fundamental Law of Hungary

The Fundamental Law of Hungary, the country's constitution, was adopted on 18 April 2011, promulgated a week later and went into force on 1 January 2012. Hungary's first constitution to be adopted within a democratic framework and following free elections, it succeeded the 1949 Constitution, adopted on 20 August 1949 and heavily amended on 23 October 1989.

Photo:states-world.com

Paul Kammerer

Paul Kammerer was born on August 17, 1880, he was an Austrian biologist who studied and advocated the now largely abandoned Lamarckian theory of inheritance(the notion that organisms may pass to their offspring characteristics they have acquired in their lifetime). He died on September 23, 1926. 

photo:www.abc.es

Wilhelm Maximilian Wundt

Wilhelm Maximilian Wundt was Born on  August 16, 1832, he was a German physician, psychologist, physiologist, philosopher, and professor, known today as one of the founding figures of modern psychology. He died on August 31, 1920.

photo:schoolworkhelper.net

Independence Day (India)

photo:www.timeanddate.com

 Independence Day (India), observed annually on 15 August, is a national holiday in India commemorating the nation's independence from British rule on 15 August 1947. India attained freedom following an independence movement noted for largely nonviolent resistance and civil disobedience.

Indian navy submarine explosion

photo:www.theguardian.com

An Indian navy submarine ( INS Sindhurakshak) with about 18 sailors on board has caught fire after an explosion and sank at a port in Mumbai. Navy spokesperson Narendra Vispute said on Wednesday(August14, 2013) that efforts were being made to ascertain the safety of the personnel feared to be trapped on board the diesel-powered submarine. The blast occurred shortly after midnight and it took fire-fighters several hours to douse the blaze. Officials say the diesel-powered vessel was badly damaged and remains partly submerged at its berth.

Source: http://www.aljazeera.com/news/asia/2013/08/201381421511930264.html, 

http://www.bbc.co.uk/news/world-asia-23691324

Hans Christian Orsted

photo:www.magnet.fsu.edu

Hans Christian Orsted was born on August 14, 1777 and he was a Danish physicist and chemist who discovered that electric currents create magnetic fields, an important aspect of electromagnetism. He died on March 9, 1851.