What is EuroHockey Nations Challenge?

The China vs. World Challenge was an international table tennis competition organised by the Chinese Table Tennis Association , the International Table Tennis Federation and Volkswagen. Each "China vs. World...

The NHL Challenge series allows select NHL teams to travel outside North America to conduct training camp and participate in exhibition games. Although the games are played on the larger...

The Face Recognition Grand Challenge was conducted in an effort to promote and advance face recognition technology. It was the successor of the Face Recognition Vendor Test.

The Commonwealth Nations Bridge Championships are held in conjunction with the Commonwealth Games.

Chicago, Illinois to Los Angeles, California

Chicago, Illinois to Los Angeles, California.

The Ranger Challenge Tab is the only United States Department of the Army individual qualification tab awarded exclusively to Reserve Officers' Training Corps cadets, and approved by the Institute of...

The North American Nations Cup was the association football championship for the CONCACAF's North American Zone.

The Corona Three Nations Cup was an association football championship for CONCACAF's North American Zone.

In U.S. politics, a primary challenge is when an incumbent holding elective office is challenged by a member of their own political party in a primary election. Such events, known...