Answer
$MDCCCXCVI$
Work Step by Step
RECALL:
$M=1000
\\D=500
\\C=100
\\L=50
\\X=10
\\V=5
\\I=1$
Note that:
$1896 = 1000+800+90+6
\\1896 = 1000+500+100+100+100+(100-10) + 5+1
\\1896=MDCCCXCVI$
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