Portal:United States/Did you know/17

== Source ==
 * ... that the Ysleta Mission (pictured) is the oldest parish in the state of Texas, and is built on the oldest continuously cultivated plot of land in the United States?
 * ... that during World War I the United States Army recruited over 28,000 soldiers for the Spruce Production Division, which harvested Sitka spruce in the Pacific Northwest?
 * ... that the Hall XPTBH, a patrol torpedo bomber, was the only aircraft that ever received three mission designation letters in the U.S. Navy's aircraft designation system?
 * 1) Recent additions/2010/April, Monthly archive of Main Page appearance.
 * 2) Recent additions/2010/December, Monthly archive of Main Page appearance.
 * 3) Recent additions/2011/January, Monthly archive of Main Page appearance.