Systems of Equations
and Historical Dates
A Math / History Puzzle
Answer Key by David Pleacher
A = 29
B = 28
C = 2
D = 8
E = 1
F = 12
G = 10
H = 19
I = 20
J = 1863
K = 1929
L = 22
M = 1995
N = 5
O = 11
P = 9
Q = 14
R = 1944
S = 1939
T = 1865
U = 6
V = 1968
W = 7
X = 1969
Y = 4
Z = 1941
a = 1963
b = 1776
c = 1607
d = 2011
e = 2001
1. E
2. C
4. Y
5. N
6. U
7. W
8. D
9. P
10. G
11. O
12. F
14. Q
19. H
20. I
22. L
28. B
29. A
1607. c
1776. b
1863. J
1865. T
1929. K
1939. S
1941. Z
1944. R
1963. a
1968. V
1969. X
1995. M
2001. e
2011. d
Here are the fifteen dates:
7/4/1776 - The signing of the Declaration of Independence
11/22/1963 - John F. Kennedy was assassinated
12/7/1941 - Pearl Harbor was bombed ("A day that will live in infamy")
8/28/1963 - Martin Luther King's "I Have A Dream" speech in Washington, DC
9/1/1939 - World War II began when Hitler invaded Poland
10/29/1929 - The Stock Market crashed ("Black Tuesday")
5/6/1607 - The founding of Jamestown, Virginia (this is the Old Date) The New Date would be 5/14/1607
4/19/1995 - Oklahoma City bombing
4/4/1968 - Martin Luther King, Jr. was assassinated
6/6/1944 - D-Day. Major victory for the Allies in World War II
1/1/1863 - Lincoln freed the slaves (Emancipation Proclamation was enacted)
7/20/1969 - Neil Armstrong walks on the moon (Apollo 11)
9/11/2001 - Terrorist attacks by the Islamic terrorist group al-Qaeda on the U.S. in New York City and Washington, D.C.
5/2/2011 - Death of Osama bin Laden
4/14/1865 - Assassination of Abraham Lincoln