Which day was the last of the 20th century?

31 Dec 1999
31 Dec 2000
31 Dec 2001
31 Dec 1899
There was no year number zero. So, the first century started on 1 Jan 1. Similarly, 21th century started 1 Jan 2001.
Jason Beagley
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Very interesting!
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Answers by country

31 Dec 1999
31 Dec 2000
31 Dec 2001
31 Dec 1899
answers
flagthe Netherlands
28%
64%
0%
0%
14
flagPoland
29%
60%
5%
3%
18907
flagFrance
21%
60%
4%
13%
23
flagGreece
40%
59%
0%
0%
22
flagSwitzerland
38%
53%
0%
7%
13
flagAlbania
30%
40%
20%
10%
10
flagGermany
46%
38%
5%
7%
141
flagthe Philippines
42%
38%
4%
14%
21
flagCanada
50%
37%
12%
0%
16
flagthe United Kingdom
50%
36%
5%
5%
157
flagAustralia
50%
35%
8%
4%
48
flagIndia
49%
32%
7%
6%
131
flagAustria
63%
31%
0%
5%
19
flagthe United States
55%
30%
5%
5%
256
flagUnknown
54%
27%
4%
9%
22