First experimental satellite of the European navigation system Galileo was launched from the Baikonur Cosmodrome in Kazakhstan. The purpose of the system is to provide an independent high-precision positioning system so European nations do not have to rely on the Russian GLONASS, Chinese BeiDou or US GPS systems.
Finish-American software engineer Linus Torvalds was born. He created the Linux operating system, which is now leading OS on servers and supercomputers. It evolved into Android system, which is dominant on touchscreen mobile devices. Another descendant of Linux is the ChromeOS. Torvalds also created the Git system for coordinating work on computer files among multiple people.
Hungarian-American mathematician, physicist, and computer scientist John von Neumann was born. He made many contributions to numerous fields: functional analysis geometry, topology, quantum mechanics, hydrodynamics, game theory, computing and statistics. He published over 150 papers in his life. During World War II he worked on the Manhattan Project.
After receiving a patent in 1886, she showed her invention at the 1893 World's Columbian Exposition in Chicago, and won the highest prize for "best mechanical construction, durability and adaptation to its line of work". The word spread, and soon Cochrane was getting orders for her dishwashing machine from restaurants and hotels in Illinois.
American inventor William Finley Semple patented chewing gum. He never commercially produced it or made money from it. This was done buy by another American, Thomas Adams. It is also truth that people chewed something from the Neolithic period. Oldest predecessor of modern chewing gum was birch bark tar.