The Southwestern Historical Quarterly, Volume 53, July 1949 - April, 1950

VOL. LIII JULY, 1949 No. 1
Somle Queriles CoHCervMi th-e exas-
CoIausiaa Sabfe HauoKndary
HE country known by the name of Louisiana" which
France ceded to Spain by the secret treaty of Novem-
ber 3, 1762,1 was receded to France, in accordance
with article 3 of the Treaty of San Ildefonso, in 1800,2 as "the
Colony or Province of Louisiana with the same extent that it
now has in the hands of Spain, &c that it had when France pos-
sessed it; and such as it should be after the treaties subsequently
entered into between Spain and other States." Then France by
treaty of cession, proclaimed October 21, 1803,3 transferred (for a
price) to the United States the "said territory" as described in
the Treaty of San Ildefonso.
No one knew the exact limits of the area represented in the
purchase the United States had made; and, as is well known, the
western fringes were supplanted by a more definite line only as
the result of subsequent diplomacy. Meanwhile, however, Con-
gress began subdividing the area and creating political units from
what the United States claimed as part of the Louisiana purchase.
By an act approved on March 26, 1804,4 Congress created the
'Edward M. Douglas, Boundaries, Areas, Geographic Centers, and Altitudes of
the United States and the Several States, United States Department of Interior,
Geological Survey Bulletin 817 (2nd ed.; Washington, D. C., 1939), 28.
2"Treaty concluded at St. Idelfonso ... 1st October 18oo," article 3, quoted in
"Treaty for the Cession of Louisiana," article 1, in Hunter Miller (ed.), Treaties
and Other International Acts of the United States of America, II (Washington,
D. C., 1931), 499-
lIbid., 498-511.
4United States Statutes at Large, II, 283-

Texas State Historical Association. The Southwestern Historical Quarterly, Volume 53, July 1949 - April, 1950. Austin, Texas. The Portal to Texas History. Accessed May 27, 2015.