diff --git a/name.abuchen.portfolio/src/name/abuchen/portfolio/util/holiday-names_sk.properties b/name.abuchen.portfolio/src/name/abuchen/portfolio/util/holiday-names_sk.properties
index 30a6357910..793141b7e9 100644
--- a/name.abuchen.portfolio/src/name/abuchen/portfolio/util/holiday-names_sk.properties
+++ b/name.abuchen.portfolio/src/name/abuchen/portfolio/util/holiday-names_sk.properties
@@ -1,6 +1,102 @@
 
+ALL_SOULS_DAY = Pamiatka zosnul\u00FDch
+
+ASCENSION_DAY = De\u0148 nanebovst\u00FApenia
+
+ASSUMPTION_DAY = De\u0148 nanebovzatia Panny M\u00E1rie
+
+BERCHTOLDSTAG = Berchtoldov de\u0148
+
+BOXING_DAY = 2. sviatok viano\u010Dn\u00FD
+
 CARNIVAL = Karneval
 
+CHRISTMAS = 1. sviatok viano\u010Dn\u00FD
+
 CHRISTMAS_EVE = \u0160tedr\u00FD ve\u010Der
 
+CHRISTMAS_EVE_RUSSIA = Pravosl\u00E1vne Vianoce
+
+CIVIC_DAY = Civic de\u0148
+
+CORONATION = Korunov\u00E1cia
+
+CORPUS_CHRISTI = Najsv\u00E4tej\u0161ie Kristovo Telo a Krv
+
+DEFENDER_OF_THE_FATHERLAND_DAY = De\u0148 obrancu vlasti
+
+EARLY_MAY_BANK_HOLIDAY = Za\u010Diatok m\u00E1ja \u0161t\u00E1tny sviatok
+
+EASTER_MONDAY = Ve\u013Ekono\u010Dn\u00FD pondelok
+
+EXTRA_HOLIDAY = Doplnkov\u00E9 vo\u013Eno
+
+FAMILY_DAY = De\u0148 rodiny
+
+FIRST_CHRISTMAS_DAY = 1. sviatok viano\u010Dn\u00FD
+
+GOOD_FRIDAY = Ve\u013Ek\u00FD piatok
+
+HURRICANE_SANDY = Hurik\u00E1n Sandy
+
+INDEPENDENCE = De\u0148 nez\u00E1vislosti
+
+INTERNATION_WOMENS_DAY = Medzin\u00E1rodn\u00FD de\u0148 \u017Eien
+
+JUNETEENTH = Den nez\u00E1vislosti \u010Dernochov
+
+LABOUR_DAY = Sviatok pr\u00E1ce
+
+MARTIN_LUTHER_KING = De\u0148 Martina Luthera Kinga ml.
+
+MEMORIAL = Pam\u00E4tn\u00FD de\u0148
+
+MILLENNIUM = Mil\u00E9niov\u00FD Mil\u00E9niov\u00FD sviatok
+
+NATION_DAY = \u0160t\u00E1tny sviatok
+
+NEW_YEAR = Nov\u00FD rok
+
+NEW_YEARS_EVE = Silvester
+
+NEW_YEAR_HOLIDAY = Novoro\u010Dn\u00FD sviatok
+
 PATRON_DAY = De\u0148 patr\u00F3na
+
+REFORMATION_DAY = De\u0148 reform\u00E1cie
+
+REPENTANCE_AND_PRAYER = De\u0148 pok\u00E1nia a modlitby
+
+REPUBLIC_PROCLAMATION_DAY = De\u0148 vyhl\u00E1senia republiky
+
+ROYAL_JUBILEE = Kr\u00E1\u013Eovsk\u00E9 jubileum
+
+ROYAL_WEDDING = Kr\u00E1\u013Eovsk\u00E1 svadba
+
+SAINT_STEPHEN = Sv. \u0160tefana
+
+SECOND_CHRISTMAS_DAY = 2. sviatok viano\u010Dn\u00FD
+
+SPRING_MAY_BANK_HOLIDAY = Jarn\u00FD m\u00E1jov\u00FD \u0161t\u00E1tny sviatok
+
+STATE_FUNERAL = \u0160t\u00E1tny pohreb
+
+SUMMER_BANK_HOLIDAY = Letn\u00FD \u0161t\u00E1tny sviatok
+
+TERRORIST_ATTACKS = \u00DAtoky z 11. septembra
+
+THANKSGIVING = De\u0148 v\u010Fakyvzdania
+
+TIRADENTES_DAY = Tiradentov de\u0148
+
+UNIFICATION_GERMANY = De\u0148 nemeckej jednoty
+
+UNITY_DAY = De\u0148 \u013Eudovej jednoty
+
+VICTORIA_DAY = Vikt\u00F3riin de\u0148
+
+VICTORY_DAY = De\u0148 v\u00ED\u0165azstva
+
+WASHINGTONS_BIRTHDAY = Prezidentsk\u00FD de\u0148
+
+WHIT_MONDAY = Sv\u00E4todu\u0161n\u00FD pondelok