The United States won every pole vault competition from 1896 to 1968.
US
The elephant has the longest nostril.
10 minutes is the longest singular penalty a player can receive. Players are, however, able to commit multiple infractions during the same play. A single player is technically able to commit 60 minutes or more in penalties.
Michael Phelps of the US was the top winner at the 2008 Beijing Olympics, winning a record 8 gold medals at a single Games in various swimming events.
Eric Heiden's record for the most medals won in a single Olympic Games was broken by Norwegian cross-country skier Bjørn Dæhlie. Heiden achieved his record by winning five gold medals in speed skating at the 1980 Lake Placid Olympics. Dæhlie surpassed this feat by winning eight medals, including seven golds, over the course of the 1994 Lillehammer and 1998 Nagano Olympics.
Italy became a single, unified nation.
The Femurs, or thigh bones, are the longest single bone in the body.
the femur
This is hard to answer because of the varying definitions of great. The longest non-royal rule of a nation by a single person is by Paul Biya. As of 2014, he has been ruling Cameroon since 1975.
The longest single span bridges are suspension bridges. Currently the longest is the Akashi-Kaikyo Bridge in Japan. Its main span is 1,991 metres.
The longest lived business form by far is "single proprietorship". The second longest is probably partnership.
There's no sensible single answer to that, as there are several different kinds of olympic cycling