The company began in 1865 as a wood pulp mill in Finland and began making paper. The paper was sold to Russia, the UK, and France. The company merged with the Finnish Rubber Company which wanted to use its hydroelectricity plant. After World War Two, Nokia bought a large part of the Finnish Cable Works. In 1967 the three companies joined to form the Nokia Group. [
They began making electronic products, and for a few years early in the 21st century were the world's biggest maker of mobile phones. Some of its phones, such as the Nokia 1100 and 1110, have sold over 250 million units around the world, and a few others, like the Nokia 3210 and Nokia 3310, sold more than 100 million units.