The answer depends on your definition of fencing. Modern fencing, also called Olympic fencing, originated in France.
It originated in ancient Egypt. There are pictures they made of themselves fencing with masks and swords.
France
It was originated in France.
The country that won gold in the 1948 World Fencing Championships was Denmark.
it originated in Hawaii
Volkswagen originated in Germany.
The Papillon originated from France.
The Bullmastiff originated from England.
Opera originated in Italy.
Kooikerhondjes originated from the Netherlands.
The Stabyhoun originated from the Netherlands.