diff --git a/lang/polish.txt b/lang/polish.txt
--- a/lang/polish.txt
+++ b/lang/polish.txt
@@ -741,6 +741,8 @@ STR_NEWGRF_SETTINGS						:Ustawienia new
 STR_NEWGRF_SETTINGS2						:Ustawienia newgrf
 STR_GAMEOPTMENU_0A						:
 STR_GAMEOPTMENU_0B						:
+STR_CLOSE_ALL_WINDOWS						:Zamknij WSZYSTKIE okienka
+STR_CLOSE_ALL_WINDOWS2						:Zamknij wszystkie okienka
 STR_02C9_TOWN_NAMES_DISPLAYED					:{CHECKMARK}{SETX 12}Wyswietlanie nazw miast
 STR_02CA_TOWN_NAMES_DISPLAYED					:{SETX 12}Wyswietlanie nazw miast
 STR_02CB_STATION_NAMES_DISPLAYED				:{CHECKMARK}{SETX 12}Wyswietlanie nazw stacji
@@ -865,29 +867,23 @@ STR_TOWNNAME_ROMANIAN						:Rumunskie
 STR_TOWNNAME_CZECH						:Czeskie
 ############ end of	townname region
 
-STR_CURR_POUNDS							:Funty ({POUNDSIGN})
-STR_CURR_DOLLARS						:Dolary ($)
-STR_CURR_FF							:Franki (FF)
-STR_CURR_DM							:Marki (DM)
+STR_CURR_EUR							:Euro (¤)
 STR_CURR_YEN							:Jeny ({YENSIGN})
-STR_CURR_PT							:Pesety (Pt)
-STR_CURR_FT							:Forinty (Ft)
-STR_CURR_ZL							:Zloty (zl)
 STR_CURR_ATS							:Szylingi (ATS)
 STR_CURR_BEF							:Franki belgijskie (BEF)
+STR_CURR_CHF							:Franki szwajcarskie (CHF)
+STR_CURR_CZK							:Korony czeskie (CZK)
 STR_CURR_DKK							:Korony dunskie (DKK)
 STR_CURR_FIM							:Marki finskie (FIM)
 STR_CURR_GRD							:Drachmy (GRD)
-STR_CURR_CHF							:Franki szwajcarskie (CHF)
-STR_CURR_NLG							:Guldeny (NLG)
+STR_CURR_ISK							:Korony islandzckie (ISK)
 STR_CURR_ITL							:Liry (ITL)
-STR_CURR_SEK							:Korony szweckie (SEK)
-STR_CURR_RUR							:Ruble (rur)
-STR_CURR_CZK							:Korony czeskie (CZK)
-STR_CURR_ISK							:Korony islandzckie (ISK)
+STR_CURR_NLG							:Guldeny (NLG)
 STR_CURR_NOK							:Korony norweskie (NOK)
 STR_CURR_ROL							:Lewy rumunskie (Lei)
-STR_CURR_EUR							:Euro (¤)
+STR_CURR_RUR							:Ruble (rur)
+STR_CURR_SEK							:Korony szweckie (SEK)
+
 
 STR_OPTIONS_LANG						:{BLACK}Jezyk
 STR_OPTIONS_LANG_CBO						:{BLACK}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{STRING}
@@ -2721,6 +2717,7 @@ STR_NEWGRF_NO_FILES_INSTALLED					:{BLAC
 STR_NEWGRF_FILENAME						:{BLACK}Nazwa pliku:
 STR_NEWGRF_GRF_ID						:{BLACK}GRF ID:
 
+
 STR_TRAIN							:{BLACK}{TRAIN}
 STR_LORRY							:{BLACK}{LORRY}
 STR_PLANE							:{BLACK}{PLANE}