1915/1/1: 191511 = 19:15:11 = arthimetic series of increment -4
1915/1/5: 010515 = 010:515 = each is palindrome
1915/1/5: 1515 = cyclic permutation symmetric
1915/1/5: 191515 = 191:515 = each is palindrome
1915/1/5: 5115 = palindrome
1915/1/8: 010815 = 01:08:15 = arthimetic series of increment 7
1915/1/17: 011715 = 011:715 = integer ratio of 1 to 65
1915/1/23: 230115 = 230:115 = integer ratio of 2 to 1
1915/2/3: 231915 = 23:19:15 = arthimetic series of increment -4
1915/2/5: 020515 = 020:515 = each is palindrome
1915/2/5: 191525 = 191:525 = each is palindrome
1915/2/13: 021315 = 021:315 = integer ratio of 1 to 15
1915/3/2: 231915 = 23:19:15 = arthimetic series of increment -4
1915/3/5: 030515 = 030:515 = each is palindrome
1915/3/5: 191535 = 191:535 = each is palindrome
1915/3/9: 030915 = 03:09:15 = arthimetic series of increment 6
1915/4/5: 040515 = 040:515 = each is palindrome
1915/4/5: 1545 = 15:45 = integer ratio of 1 to 3
1915/4/5: 191545 = 191:545 = each is palindrome
1915/4/5: 4515 = 45:15 = integer ratio of 3 to 1
1915/4/16: 041615 = 041:615 = integer ratio of 1 to 15
1915/5/1: 010515 = 010:515 = each is palindrome
1915/5/1: 15051 = palindrome
1915/5/1: 1515 = cyclic permutation symmetric
1915/5/1: 1551 = palindrome
1915/5/1: 5115 = palindrome
1915/5/2: 020515 = 020:515 = each is palindrome
1915/5/3: 030515 = 030:515 = each is palindrome
1915/5/4: 040515 = 040:515 = each is palindrome
1915/5/4: 4515 = 45:15 = integer ratio of 3 to 1
1915/5/5: 050515 = 050:515 = each is palindrome
1915/5/5: 191555 = 191:555 = each is palindrome
1915/5/6: 060515 = 060:515 = each is palindrome
1915/5/7: 070515 = 070:515 = each is palindrome
1915/5/7: 7515 = 75:15 = integer ratio of 5 to 1
1915/5/8: 080515 = 080:515 = each is palindrome
1915/5/9: 090515 = 090:515 = each is palindrome
1915/5/10: 051015 = 05:10:15 = arthimetic series of increment 5
1915/5/10: 51015 = palindrome
1915/5/11: 51115 = palindrome
1915/5/12: 51215 = palindrome
1915/5/13: 51315 = palindrome
1915/5/14: 51415 = palindrome
1915/5/15: 51515 = palindrome
1915/5/16: 51615 = palindrome
1915/5/17: 51715 = palindrome
1915/5/18: 51815 = palindrome
1915/5/19: 51915 = palindrome
1915/5/19: 5191915 = palindrome
1915/6/5: 060515 = 060:515 = each is palindrome
1915/6/5: 191565 = 191:565 = each is palindrome
1915/6/19: 061915 = 061:915 = integer ratio of 1 to 15
1915/7/3: 191573 = 191:573 = integer ratio of 1 to 3
1915/7/5: 070515 = 070:515 = each is palindrome
1915/7/5: 1575 = 15:75 = integer ratio of 1 to 5
1915/7/5: 191575 = 191:575 = each is palindrome
1915/7/5: 7515 = 75:15 = integer ratio of 5 to 1
1915/7/11: 071115 = 07:11:15 = arthimetic series of increment 4
1915/8/1: 010815 = 01:08:15 = arthimetic series of increment 7
1915/8/1: 150801 = 15:08:01 = arthimetic series of increment -7
1915/8/5: 080515 = 080:515 = each is palindrome
1915/8/5: 191585 = 191:585 = each is palindrome
1915/9/3: 030915 = 03:09:15 = arthimetic series of increment 6
1915/9/3: 150903 = 15:09:03 = arthimetic series of increment -6
1915/9/5: 090515 = 090:515 = each is palindrome
1915/9/5: 191595 = 191:595 = each is palindrome
1915/9/12: 091215 = 09:12:15 = arthimetic series of increment 3
1915/10/1: 151001 = 151:001 = integer ratio of 151 to 1
1915/10/5: 051015 = 05:10:15 = arthimetic series of increment 5
1915/10/5: 151005 = 15:10:05 = arthimetic series of increment -5
1915/10/5: 51015 = palindrome
1915/10/10: 151010 = 151:010 = each is palindrome
1915/10/15: 101515 = 101:515 = each is palindrome
1915/10/20: 151020 = 151:020 = each is palindrome
1915/10/30: 151030 = 151:030 = each is palindrome
1915/11/1: 151101 = 151:101 = each is palindrome
1915/11/5: 51115 = palindrome
1915/11/7: 071115 = 07:11:15 = arthimetic series of increment 4
1915/11/7: 151107 = 15:11:07 = arthimetic series of increment -4
1915/11/7: 19151107 = 19:15:11:07 = arthimetic series of increment -4
1915/11/11: 151111 = 151:111 = each is palindrome
1915/11/13: 111315 = 11:13:15 = arthimetic series of increment 2
1915/11/15: 111515 = 111:515 = each is palindrome
1915/11/21: 151121 = 151:121 = each is palindrome
1915/12/2: 151202 = 151:202 = each is palindrome
1915/12/5: 51215 = palindrome
1915/12/9: 091215 = 09:12:15 = arthimetic series of increment 3
1915/12/9: 151209 = 15:12:09 = arthimetic series of increment -3
1915/12/12: 151212 = 151:212 = each is palindrome
1915/12/15: 121515 = 121:515 = each is palindrome
1915/12/22: 151222 = 151:222 = each is palindrome