Portal:United States/Did you know/21

== Source ==
 * ...that members of the United States Marine Corps (pictured) that were stationed in Central America  in the early 20th century have been credited with bringing the sport of  baseball to Nicaragua,  and popularizing it in the area?
 * ...that the interchange between Interstate 476 and U.S. Route 30 in Radnor Township, Pennsylvania contains a large crushed-stone image of a griffin to commemorate Radnor's history as part of the Welsh Tract?
 * ...that Negro league baseball executive Cum Posey organized the East-West League in 1932, but the league folded before the end of the season?
 * 1) Recent additions/2010/February, Monthly archive of Main Page appearance.
 * 2) Recent additions/2011/January, Monthly archive of Main Page appearance.
 * 3) Recent additions/2009/June, Monthly archive of Main Page appearance.