diff --git a/holidays/holidays.qrc b/holidays/holidays.qrc
index 28c17b8..ea41bd6 100644
--- a/holidays/holidays.qrc
+++ b/holidays/holidays.qrc
@@ -1,136 +1,137 @@
plan2/holiday_ar_es
plan2/holiday_at_de
plan2/holiday_au-act_en-gb
plan2/holiday_au-nsw_en-gb
plan2/holiday_au-nt_en-gb
plan2/holiday_au-qld_en-gb
plan2/holiday_au-sa_en-gb
plan2/holiday_au-tas_en-gb
plan2/holiday_au-vic_en-gb
plan2/holiday_au-wa_en-gb
plan2/holiday_ba-srp_sr
plan2/holiday_ba-srp_sr@ijekavian
plan2/holiday_ba-srp_sr@ijekavianlatin
plan2/holiday_ba-srp_sr@latin
plan2/holiday_bb_en-gb
plan2/holiday_be_fr
plan2/holiday_be_nl
plan2/holiday_be_wa
plan2/holiday_bg_bg
plan2/holiday_bh_ar
plan2/holiday_br_pt-br
plan2/holiday_by_be
plan2/holiday_ca-qc_fr
plan2/holiday_ca_en-gb
plan2/holiday_ch_de
plan2/holiday_ch_fr
plan2/holiday_ch_it
plan2/holiday_ci_fr
plan2/holiday_cl_es
plan2/holiday_cm_en
plan2/holiday_cm_fr
plan2/holiday_cn_zh-cn
plan2/holiday_co_es
plan2/holiday_cr_en
plan2/holiday_cr_es
plan2/holiday_cz_cs
plan2/holiday_de-bb_de
plan2/holiday_de-bw_de
plan2/holiday_de-by_de
plan2/holiday_de-hh_de
plan2/holiday_de-mv_de
+ plan2/holiday_de-ni_de
plan2/holiday_de-nw_de
plan2/holiday_de-rp_de
plan2/holiday_de-sh_de
plan2/holiday_de-sl_de
plan2/holiday_de-sn_de
plan2/holiday_de-st_de
plan2/holiday_de-th_de
plan2/holiday_de_de
plan2/holiday_dk_da
plan2/holiday_dz_ar
plan2/holiday_dz_fr
plan2/holiday_ee_et
plan2/holiday_eg_ar
plan2/holiday_es-ct_ca
plan2/holiday_es_es
plan2/holiday_fi_fi
plan2/holiday_fr_fr
plan2/holiday_gb-eaw_en-gb
plan2/holiday_gb-nir_en-gb
plan2/holiday_gb-sct_en-gb
plan2/holiday_gf_fr
plan2/holiday_gp_fr
plan2/holiday_gr_el
plan2/holiday_gr_el_nameday
plan2/holiday_gt_es
plan2/holiday_hk_en-gb
plan2/holiday_hk_zh-cn
plan2/holiday_hr_hr
plan2/holiday_hu_hu
plan2/holiday_id_en-us
plan2/holiday_id_id
plan2/holiday_ie_en-gb
plan2/holiday_ie_ga
plan2/holiday_il_en-us
plan2/holiday_il_he
plan2/holiday_in_en-gb
plan2/holiday_ir_en-us
plan2/holiday_ir_fa
plan2/holiday_is_is
plan2/holiday_it-bz_de
plan2/holiday_it_it
plan2/holiday_jm_en-gb
plan2/holiday_jp_en-us
plan2/holiday_jp_ja
plan2/holiday_kr_ko
plan2/holiday_kz_kk
plan2/holiday_kz_ru
plan2/holiday_lt_lt
plan2/holiday_lu_fr
plan2/holiday_lu_lb
plan2/holiday_lv_lv
plan2/holiday_ma_ar
plan2/holiday_ma_fr
plan2/holiday_mq_fr
plan2/holiday_mu_en
plan2/holiday_mx_es
plan2/holiday_na_en-gb
plan2/holiday_nc_fr
plan2/holiday_nl_nl
plan2/holiday_no_nb
plan2/holiday_no_nn
plan2/holiday_nz_en-gb
plan2/holiday_pa_en
plan2/holiday_pa_es
plan2/holiday_pe_es
plan2/holiday_pf_fr
plan2/holiday_pl_pl
plan2/holiday_pt_pt
plan2/holiday_py_es
plan2/holiday_re_fr
plan2/holiday_ro_ro
plan2/holiday_rs_sr
plan2/holiday_rs_sr@ijekavian
plan2/holiday_rs_sr@ijekavianlatin
plan2/holiday_rs_sr@latin
plan2/holiday_ru_ru
plan2/holiday_se_sv
plan2/holiday_sg_en-gb
plan2/holiday_si_sl
plan2/holiday_sk_sk
plan2/holiday_sm_it
plan2/holiday_th_en-gb
plan2/holiday_tr_en-gb
plan2/holiday_tr_tr
plan2/holiday_ua_uk
plan2/holiday_us_en-us
plan2/holiday_uy_es
plan2/holiday_ve_es
plan2/holiday_wf_fr
plan2/holiday_yt_fr
plan2/holiday_za_en-gb
diff --git a/holidays/plan2/holiday_de-ni_de b/holidays/plan2/holiday_de-ni_de
new file mode 100644
index 0000000..9c8472e
--- /dev/null
+++ b/holidays/plan2/holiday_de-ni_de
@@ -0,0 +1,68 @@
+::
+:: Country: Germany
+::
+:: Language: German
+::
+:: Author:
+:: Tobias Leupold
+:: Marijo Mustac
+::
+:: Updated: 2019-04-15
+::
+:: Source:
+:: https://www.mi.niedersachsen.de/themen/allgemeine_angelegenheiten_inneren/feiertagsrecht/feiertagsgesetz-61491.html
+:: https://de.wikipedia.org/wiki/Gesetzliche_Feiertage_in_Deutschland
+::
+
+:: Metadata
+country "DE"
+language "de"
+:name "optional - defaults to country name"
+description "Feiertage für Deutschland (Niedersachsen)"
+
+:: ---------- This part is specific for Lower Saxony ----------
+
+"Reformationstag" public on 31.10.
+
+:: ---------- This part is shared across all Federal States of Germany ----------
+
+:: Public Holidays
+"Neujahr" public on 1.1.
+"Karfreitag" public on easter minus 2 days
+"Ostermontag" public on easter plus 1 days
+"Christi Himmelfahrt" public on easter plus 39 days
+"Pfingstmontag" public on easter plus 50 days
+"1. Mai" public on 1.5.
+"Tag der Deutschen Einheit" public on 3.10.
+"1. Weihnachtsfeiertag" public on 25.12.
+"2. Weihnachtsfeiertag" public on 26.12.
+
+:: Religious
+"Gründonnerstag" religious on easter minus 3 days
+"Ostersonntag" religious on easter
+"Pfingstsonntag" religious on easter plus 49 days
+"Nikolaus" religious on 6.12.
+"1. Advent" religious on sunday before december 24 minus 21 days
+"2. Advent" religious on sunday before december 24 minus 14 days
+"3. Advent" religious on sunday before december 24 minus 7 days
+"4. Advent" religious on sunday before december 24
+"Heiliger Abend" religious on december 24
+
+:: Financial
+
+:: Cultural
+"Silvester" cultural on december 31
+"Rosenmontag" cultural on easter minus 48 days
+"Faschingsdienstag" cultural on easter minus 47 days
+"Aschermittwoch" cultural on easter minus 46 days
+"Muttertag" cultural on second sunday in may
+
+:: School
+
+:: Daylight Saving
+"Beginn der Sommerzeit" seasonal on last sunday in march
+"Beginn der Winterzeit" seasonal on last sunday in october
+
+:: Seasons
+
+:: Name Days