Berners-Lee invented the World Wide Web (http/html) not the internet.
The Americans Vint Cerf and Bob Kahn invented tcp/ip, the basis of the internet.
Tim Berners-Lee, a British scientist, invented the World Wide Web (WWW) in 1989, while working at CERN. The web was originally conceived and developed to meet the demand for automated information-sharing between scientists in universities and institutes around the world.
https://home.cern/news/opinion/computing/internet-prehistory-cernOnly TCP (not IP) was invented by Americans.
Everything else like web server, web browser, HTML was invented by Tim Berners-Lee.