sentences:  "Colbert" was named in honor of Jean-Baptiste Colbert, Controller-General of Finances from 1665 to 1683 under King Louis XIV.She was laid down at Brest on 4 July 1870 and launched on 16 September 1875.While the exact reason for such prolonged construction time is not known, it is believed that reduction of the French Navy's budget after the Franco-Prussian War of 1870–71 and out-of-date work practices in French dockyards were likely causes.