With the exception of Eisenhower in 1959 and 1960, Loyalty Day has been recognized with an official proclamation every year by every president since its inception as a legal holiday in 1958.

July 18, 1958 Dwight D. Eisenhower 175 - Statement by the President Upon Signing Resolution Designating May as Loyalty Day.
April 12, 1961 John F. Kennedy Proclamation 3406 - Loyalty Day, 1961
April 4, 1962 John F. Kennedy Proclamation 3463 - Loyalty Day, 1962
April 18, 1963 John F. Kennedy Proclamation 3528 - Loyalty Day, 1963
April 14, 1964 Lyndon B. Johnson Proclamation 3581 - Loyalty Day, 1964
March 11, 1965 Lyndon B. Johnson Proclamation 3643 - Loyalty Day, 1965
March 4, 1975 Gerald R. Ford Proclamation 4354 - Loyalty Day, 1975
April 14, 1976 Gerald R. Ford Proclamation 4431 - Loyalty Day, 1976
March 23, 1977 Jimmy Carter Proclamation 4493 - Loyalty Day, 1977
April 27, 1978 Jimmy Carter Proclamation 4567 - Loyalty Day, 1978
April 11, 1979 Jimmy Carter Proclamation 4657 - Loyalty Day, 1979
March 11, 1980 Jimmy Carter Proclamation 4734 - Loyalty Day, 1980
April 14, 1981 Ronald Reagan Proclamation 4836 - Loyalty Day, 1981
March 24, 1982 Ronald Reagan Proclamation 4912 - Loyalty Day, 1982
March 15, 1983 Ronald Reagan Proclamation 5032 - Loyalty Day, 1983
March 22, 1984 Ronald Reagan Proclamation 5169 - Loyalty Day, 1984
April 15, 1985 Ronald Reagan Proclamation 5319 - Loyalty Day, 1985
May 1, 1986 Ronald Reagan Proclamation 5471 - Loyalty Day, 1986
May 1, 1987 Ronald Reagan Proclamation 5645 - Loyalty Day, 1987
April 28, 1988 Ronald Reagan Proclamation 5803 - Loyalty Day, 1988
April 28, 1989 George Bush Proclamation 5962 - Loyalty Day, 1989
April 23, 1990 George Bush Proclamation 6119 - Loyalty Day, 1990
April 22, 1991 George Bush Proclamation 6278 - Loyalty Day, 1991
April 28, 1992 George Bush Proclamation 6424 - Loyalty Day, 1992
May 1, 1993 William J. Clinton Proclamation 6556 - Loyalty Day, 1993
April 30, 1994 William J. Clinton Proclamation 6680 - Loyalty Day, 1994
April 29, 1995 William J. Clinton Proclamation 6794 - Loyalty Day, 1995
April 30, 1996 William J. Clinton Proclamation 6889 - Loyalty Day, 1996
May 1, 1997 William J. Clinton Proclamation 6997 - Loyalty Day, 1997
May 1, 1998 William J. Clinton Proclamation 7091 - Loyalty Day, 1998
April 30, 1999 William J. Clinton Proclamation 7192 - Loyalty Day, 1999
April 29, 2000 William J. Clinton Proclamation 7300 - Loyalty Day, 2000
April 25, 2001 George W. Bush Proclamation 7429--Loyalty Day, 2001
April 30, 2002 George W. Bush Proclamation 7549 - Loyalty Day, 2002
April 30, 2003 George W. Bush Proclamation 7671 - Loyalty Day, 2003
April 30, 2004 George W. Bush Proclamation 7779 - Loyalty Day, 2004
April 29, 2005 George W. Bush Proclamation 7892 - Loyalty Day, 2005
April 28, 2006 George W. Bush Proclamation 8011 - Loyalty Day, 2006
April 30, 2007 George W. Bush Proclamation 8137 - Loyalty Day, 2007
April 22, 2008 George W. Bush Proclamation 8245 - Loyalty Day, 2008
May 1, 2009 Barack Obama Proclamation 8368 - Loyalty Day, 2009
April 29, 2010 Barack Obama 324 - Proclamation 8512 - Loyalty Day, 2010
April 29, 2011 Barack Obama 307 - Proclamation 8666 - Loyalty Day, 2011
May 1, 2012 Barack Obama 326 - Proclamation 8811 - Loyalty Day, 2012