I don't know for the agenda, but if you install calfw and calfw-cal, you can see your diary entries in a "more graphical" calendar.

On Wed, Dec 20, 2017 at 4:21 AM, stardiviner <numbchild@gmail.com> wrote:
I have an org-mode file:

#+begin_src org
,* Anniversary

,** my first child anniversary

%%(diary-anniversary 10 26 2017)

,** Funeral Arrangement

,*** kk

%%(diary-anniversary 12 8 2007)
#+end_src

How to include and show them in default org-agenda day view by configuring org-mode?