Object oriented programming
was invented in Norway by
Ole-Johan Dahl
and
Kristen Nygaard
in the 1960s. OOP has become
the mainstream way of developing modern software.
C++
was made by
Bjarne Stroustrup
from Denmark in 1979.
C++ is one of the most famous programming languages
and is the ancestor of highly popular languages such
as Java and C#.
Linux
was made by
Linus Torvalds
from Finland in 1991.
The operating system Linux is used everywhere from coffee machines
and internet modems to laptops and supercomputers.
Cascading Style Sheets (CSS)
was invented by
Håkon Wium Lie
from Norway in 1994.
CSS is used to describe the look and formatting of web pages.