Important Events Of July – 11

2019-07-11

World Population Day

World Population day is an annual event, observed on July 11 every year, which seeks to raise awareness of global population issues.
The event was established by the Governing Council of the United Nations Development Programmein 1989. It was inspired by the public interest in Five Billion Day on July 11, 1987, the approximate date on which the world’s population reached five billion people.
World Population Day aims to increase people’s awareness on various population issues such as the importance of family planning, gender equality, poverty, maternal health and human rights.
The day was suggested by Dr KC Zachariah in which population reaches Five Billion when he worked as Sr Demographer at World Bank.
While press interest and general awareness in the global population surges only at the increments of whole billions of people, the world population increases by 100 million approximately every 14 months. The world population reached 7,400,000,000 on February 6, 2016; the world population had reached 7,500,000,000 at around 16:21 on April 24, 2017.

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He was an American engineer and physicist who was widely, but not universally, credited with the invention of the laser.
Maiman’s laser led to the subsequent development of many other types of lasers.
The laser was successfully fired on May 16, 1960. In a July 7, 1960 press conference in Manhattan, Maiman and his employer, Hughes Aircraft Company, announced the laser to the world.
He was given membership in both the National Academies of Sciences and Engineering.
Maiman was granted a patent for his invention,and he received many awards and honors for his work. Maiman’s experiences in developing the first laser and subsequent related events are described in his book, The Laser Odyssey.