1966/1/1: 1166 = 11:66 = integer ratio of 1 to 6
1966/1/1: 1166 = 11:66 = each is single digit
1966/1/1: 1166 = 11:66 = each is palindrome
1966/1/1: 1166 = 11:66 = each is cyclic permutation symmetric
1966/1/1: 6611 = 66:11 = integer ratio of 6 to 1
1966/1/1: 6611 = 66:11 = each is single digit
1966/1/1: 6611 = 66:11 = each is palindrome
1966/1/1: 6611 = 66:11 = each is cyclic permutation symmetric
1966/1/6: 010666 = 010:666 = each is palindrome
1966/1/6: 161966 = 161:966 = integer ratio of 1 to 6
1966/1/10: 011066 = 011:066 = integer ratio of 1 to 6
1966/1/10: 660110 = 660:110 = integer ratio of 6 to 1
1966/2/2: 2266 = 22:66 = integer ratio of 1 to 3
1966/2/2: 2266 = 22:66 = each is single digit
1966/2/2: 2266 = 22:66 = each is palindrome
1966/2/2: 2266 = 22:66 = each is cyclic permutation symmetric
1966/2/2: 6622 = 66:22 = integer ratio of 3 to 1
1966/2/2: 6622 = 66:22 = each is single digit
1966/2/2: 6622 = 66:22 = each is palindrome
1966/2/2: 6622 = 66:22 = each is cyclic permutation symmetric
1966/2/6: 020666 = 020:666 = each is palindrome
1966/2/19: 021966 = 021:966 = integer ratio of 1 to 46
1966/2/20: 022066 = 022:066 = integer ratio of 1 to 3
1966/2/20: 660220 = 660:220 = integer ratio of 3 to 1
1966/3/3: 3366 = 33:66 = integer ratio of 1 to 2
1966/3/3: 3366 = 33:66 = each is single digit
1966/3/3: 3366 = 33:66 = each is palindrome
1966/3/3: 3366 = 33:66 = each is cyclic permutation symmetric
1966/3/3: 6633 = 66:33 = integer ratio of 2 to 1
1966/3/3: 6633 = 66:33 = each is single digit
1966/3/3: 6633 = 66:33 = each is palindrome
1966/3/3: 6633 = 66:33 = each is cyclic permutation symmetric
1966/3/6: 030666 = 030:666 = each is palindrome
1966/3/30: 033066 = 033:066 = integer ratio of 1 to 2
1966/3/30: 660330 = 660:330 = integer ratio of 2 to 1
1966/4/4: 4466 = 44:66 = each is single digit
1966/4/4: 4466 = 44:66 = each is palindrome
1966/4/4: 4466 = 44:66 = each is cyclic permutation symmetric
1966/4/4: 6644 = 66:44 = each is single digit
1966/4/4: 6644 = 66:44 = each is palindrome
1966/4/4: 6644 = 66:44 = each is cyclic permutation symmetric
1966/4/6: 040666 = 040:666 = each is palindrome
1966/4/29: 042966 = 042:966 = integer ratio of 1 to 23
1966/5/5: 5566 = 55:66 = each is single digit
1966/5/5: 5566 = 55:66 = each is palindrome
1966/5/5: 5566 = 55:66 = each is cyclic permutation symmetric
1966/5/5: 6655 = 66:55 = each is single digit
1966/5/5: 6655 = 66:55 = each is palindrome
1966/5/5: 6655 = 66:55 = each is cyclic permutation symmetric
1966/5/6: 050666 = 050:666 = each is palindrome
1966/6/1: 010666 = 010:666 = each is palindrome
1966/6/1: 161966 = 161:966 = integer ratio of 1 to 6
1966/6/2: 020666 = 020:666 = each is palindrome
1966/6/3: 030666 = 030:666 = each is palindrome
1966/6/4: 040666 = 040:666 = each is palindrome
1966/6/5: 050666 = 050:666 = each is palindrome
1966/6/6: 060666 = 060:666 = each is palindrome
1966/6/6: 66066 = palindrome
1966/6/6: 6666 = single digit
1966/6/6: 6666 = palindrome
1966/6/6: 6666 = cyclic permutation symmetric
1966/6/6: 6666 = 66:66 = each is single digit
1966/6/6: 6666 = 66:66 = each is palindrome
1966/6/6: 6666 = 66:66 = each is cyclic permutation symmetric
1966/6/7: 070666 = 070:666 = each is palindrome
1966/6/8: 080666 = 080:666 = each is palindrome
1966/6/9: 090666 = 090:666 = each is palindrome
1966/6/13: 061366 = 061:366 = integer ratio of 1 to 6
1966/7/6: 070666 = 070:666 = each is palindrome
1966/7/7: 6677 = 66:77 = each is single digit
1966/7/7: 6677 = 66:77 = each is palindrome
1966/7/7: 6677 = 66:77 = each is cyclic permutation symmetric
1966/7/7: 7766 = 77:66 = each is single digit
1966/7/7: 7766 = 77:66 = each is palindrome
1966/7/7: 7766 = 77:66 = each is cyclic permutation symmetric
1966/8/6: 080666 = 080:666 = each is palindrome
1966/8/8: 6688 = 66:88 = each is single digit
1966/8/8: 6688 = 66:88 = each is palindrome
1966/8/8: 6688 = 66:88 = each is cyclic permutation symmetric
1966/8/8: 8866 = 88:66 = each is single digit
1966/8/8: 8866 = 88:66 = each is palindrome
1966/8/8: 8866 = 88:66 = each is cyclic permutation symmetric
1966/8/31: 083166 = 083:166 = integer ratio of 1 to 2
1966/9/1: 196691 = palindrome
1966/9/6: 090666 = 090:666 = each is palindrome
1966/9/9: 66099 = 180 deg rotationally symmetric
1966/9/9: 6699 = 180 deg rotationally symmetric
1966/9/9: 6699 = 66:99 = each is single digit
1966/9/9: 6699 = 66:99 = each is palindrome
1966/9/9: 6699 = 66:99 = each is cyclic permutation symmetric
1966/9/9: 9966 = 180 deg rotationally symmetric
1966/9/9: 9966 = 99:66 = each is single digit
1966/9/9: 9966 = 99:66 = each is palindrome
1966/9/9: 9966 = 99:66 = each is cyclic permutation symmetric
1966/10/1: 011066 = 011:066 = integer ratio of 1 to 6
1966/10/1: 661001 = 661:001 = integer ratio of 661 to 1
1966/10/16: 101666 = 101:666 = each is palindrome
1966/11/11: 111166 = 11:11:66 = each is single digit
1966/11/11: 111166 = 11:11:66 = each is palindrome
1966/11/11: 111166 = 11:11:66 = each is cyclic permutation symmetric
1966/11/11: 661111 = 66:11:11 = each is single digit
1966/11/11: 661111 = 66:11:11 = each is palindrome
1966/11/11: 661111 = 66:11:11 = each is cyclic permutation symmetric
1966/11/16: 111666 = 111:666 = integer ratio of 1 to 6
1966/11/16: 111666 = 111:666 = each is single digit
1966/11/16: 111666 = 111:666 = each is palindrome
1966/11/16: 111666 = 111:666 = each is cyclic permutation symmetric
1966/11/22: 112266 = 11:22:66 = each is single digit
1966/11/22: 112266 = 11:22:66 = each is palindrome
1966/11/22: 112266 = 11:22:66 = each is cyclic permutation symmetric
1966/11/22: 221166 = 22:11:66 = each is single digit
1966/11/22: 221166 = 22:11:66 = each is palindrome
1966/11/22: 221166 = 22:11:66 = each is cyclic permutation symmetric
1966/11/22: 661122 = 66:11:22 = each is single digit
1966/11/22: 661122 = 66:11:22 = each is palindrome
1966/11/22: 661122 = 66:11:22 = each is cyclic permutation symmetric
1966/12/16: 121666 = 121:666 = each is palindrome
1966/12/23: 122366 = 122:366 = integer ratio of 1 to 3