Reference: Date Stamps by Year

[jag]

The following is a list of date stamps by year for your reference.

years 1997-present are encased in a Square; after 2014 may or may not be in a square
years 1971-1996 are encased in a Circle
years 1945-1970 have no geometric shape

2021 - Z (from what I've seen so far)
2020 - Y
2019 - D
2018 - C
2017 - A
2016 - X
2015 - T no square or circle surrounding it
2014 - R
2013 - Q
2012 - P
2011 - O
2010 - N
2009 - M
2008 - L
2007 - K
2006 - J
2005 - I
2004 - H
2003 - G
2002 - F
2001 - E
2000 - D
1999 - C
1998 - B
1997 - A* letters began being encased in a Square
1996 - Z
1995 - Y
1994 - X
1993 - W
1992 - V
1991 - U
1990 - T
1989 - S
1988 - R
1987 - Q
1986 - P
1985 - O
1984 - N
1983 - M
1982 - L
1981 - K
1980 - J
1979 - I
1978 - H
1977 - G
1976 - F
1975 - E
1974 - D
1973 - C
1972 - B
1971 - A* letters began being encased in a Circle

 

[jag]

*These have no geometric shape

1970 Z
1969 Y
1968 X
1967 W
1966 V
1965 U
1964 T
1963 S
1962 R
1961 Q
1960 P
1959 O
1958 N
1957 M
1956 L
1955 K
1954 J
1953 I
1952 H
1951 G
1950 F
1949 E
1948 D
1947 C
1946 B
1945 A

 

[WKN]

2021 - Z (from what I've seen so far)
2020 - Y
2019 - D
2018 - C
2017 - A
2016 - X
2015 T no square or circle surrounding it
2014 R
2013 Q
2012 P
2011 O
2010 N
2009 M
2008 L
2007 K
2006 J
2005 I
2004 H
2003 G
2002 F
2001 E
2000 D