President James Monroe appointed John Quincy Adams as secretary of state in 1817. Monroe relied heavily on his advice. Monroe supported Adams when he forced Spain to cede Florida and make a settlement of the Louisiana boundary in the Transcontinental Treaty, drafted in 1819.
Apple Headed Chihuahuas live the longest of any size dog. Expect a life-span of 11-18 years, although the latter is rare.
Average Adult Size. The average weight of an adult Chihuahua is between 3 and 6 pounds -- that's a wide variance for such a small breed. However, some Chis mature at weights smaller or larger than this when fully grown. The usually measure no taller than 5 inches at the shoulder.