diff --git a/holidays/holidays.qrc b/holidays/holidays.qrc
--- a/holidays/holidays.qrc
+++ b/holidays/holidays.qrc
@@ -41,6 +41,7 @@
plan2/holiday_de-by_de
plan2/holiday_de-hh_de
plan2/holiday_de-mv_de
+ plan2/holiday_de-ns_de
plan2/holiday_de-nw_de
plan2/holiday_de-rp_de
plan2/holiday_de-sh_de
diff --git a/holidays/plan2/holiday_de-ns_de b/holidays/plan2/holiday_de-ns_de
new file mode 100644
--- /dev/null
+++ b/holidays/plan2/holiday_de-ns_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