To convert from foreign currency to U.S. dollars, divide the foreign currency amount by the applicable yearly average exchange rate in the table below. To convert from U.S. dollars to foreign currency, multiply the U.S. dollar amount by the applicable yearly average exchange rate in the table below. Country. Currency.
triannual. 1  done, occurring, issued, etc., three times a year. 2  triennial. 3  a triannual publication, contest, etc. 4  triennial.
From the 1598 founding of New Mexico to the 1680 Pueblo Revolt, which forced Spaniards and their allies to flee Santa Fe on foot 400 miles south along El Camino Real to El Paso del Norte, triennial supply convoys kept settlers and missionary efforts alive.