That is the English flag... the St. George's Cross... the patron saint of England.
Yes, the entire soccer ball must cross the goal line between the goalposts and under the crossbar for a goal to be awarded in a soccer match.
Grand National Cross Country was created in 1979.
Cross River National Park was created in 1991.
National Red Cross Pageant was created in 1917-12.
Belgian National Cyclo-cross Championships was created in 1910.
Father Millet Cross National Monument ended in 1949.
Father Millet Cross National Monument was created in 1925.
American Red Cross National Headquarters was created in 1917.
Dutch National Cyclo-cross Championships was created in 1963.
Cross Creeks National Wildlife Refuge was created in 1962.
Cross Island National Wildlife Refuge was created in 1980.
Italian National Cyclo-cross Championships was created in 1930.