diff --git a/i18n/i18n_app_cs.properties b/i18n/i18n_app_cs.properties
index 1e868467..17cf7180 100644
--- a/i18n/i18n_app_cs.properties
+++ b/i18n/i18n_app_cs.properties
@@ -12,11 +12,11 @@ font_size=Font size
 digit_group_separator=Digit group separator
 comfortable=Comfortable
 compact=Compact
-large=Large
-small_=Small
+large=Velk\u00fd
+small_=Mal\u00fd
 normal=Normal
 reporting_period=Reporting period
-organisation_unit=Organisation unit
+organisation_unit=Organiza\u010dn\u00ed jednotka
 organisation_units=Organiza\u010dn\u00ed jednotky
 parent_organisation_unit=Parent organisation unit
 user_organisation_unit=User org unit
@@ -47,38 +47,38 @@ available=Available
 selected=Selected
 indicators=Indik\u00e1tory
 all_indicator_groups=All indicator groups
-select_indicator_group=Select indicator group
-data_elements=Data elements
+select_indicator_group=Vybrat skupinu indik\u00e1tor\u016f
+data_elements=Datov\u00e9 prvky
 all_data_element_groups=All data element groups
 select_data_element_group=Vybrat skupinu datov\u00fdch prvk\u016f
 data_sets=Datov\u00e9 sady
-reporting_rates=Reporting rates
+reporting_rates=M\u00edry vykazov\u00e1n\u00ed
 periods=Periods
 select_period_type=Select period type
-weeks=Weeks
+weeks=T\u00fddn\u016f
 last_week=Minul\u00fd t\u00fdden
-last_4_weeks=Last 4 weeks
-last_12_weeks=Last 12 weeks
-months=Months
+last_4_weeks=Posledn\u00ed 4 t\u00fddny
+last_12_weeks=Posledn\u00edch 12 t\u00fddn\u016f
+months=M\u011bs\u00edce
 last_month=Minul\u00fd m\u011bs\u00edc
-last_3_months=Last 3 months
-last_12_months=Last 12 months
-bimonths=Bi-months
-last_bimonth=Last bi-month
+last_3_months=Posledn\u00ed 3 m\u011bs\u00edce
+last_12_months=Posledn\u00edch 12 m\u011bs\u00edc\u016f
+bimonths=Dva m\u011bs\u00edce
+last_bimonth=Posledn\u00ed dva m\u011bs\u00edce
 last_6_bimonths=Posledn\u00edch 6 dvou-m\u011bs\u00edc\u016f
-quarters=Quarters
-last_quarter=Last quarter
-last_4_quarters=Last 4 quarters
-sixmonths=Six-months
-last_sixmonth=Last six-month
+quarters=\u010ctvrtlet\u00ed
+last_quarter=Posledn\u00ed \u010dtvrtlet\u00ed
+last_4_quarters=Posledn\u00ed 4 \u010dtvrtlet\u00ed 
+sixmonths=P\u016flrok
+last_sixmonth=Posledn\u00ed p\u016flrok
 last_2_sixmonths=Last 2 six-months
-years=Years
-this_year=This year
-last_year=Last year
-last_5_years=Last 5 years
+years=Let
+this_year=Tento rok
+last_year=Posledn\u00ed rok
+last_5_years=Posledn\u00edch 5 let
 financial_years=Financial years
 last_financial_year=Posledn\u00ed finan\u010dn\u00ed rok
-last_5_financial_years=Last 5 financial years
+last_5_financial_years=Posledn\u00edch 5 fisk\u00e1ln\u00edch rok\u016f
 prev_year=Minul\u00fd rok
 next_year=P\u0159\u00ed\u0161t\u00ed rok
 select_all_children=Select all children
@@ -108,7 +108,7 @@ example8=Click Download to save table data to your computer
 example9=Your most viewed favorites
 layout=Layout
 options=Options
-download=Download
+download=St\u00e1hnout
 favorites=Favorites
 include_regression=Include regression
 include_cumulative=Include cumulative
@@ -136,16 +136,16 @@ show_hierarchy=Show hierarchy
 all_indicators=All indicators
 all_data_elements=All data elements
 daily=Denn\u011b
-weekly=Weekly
-monthly=Monthly
+weekly=T\u00fddn\u011b
+monthly=M\u011bs\u00ed\u010dn\u011b
 bimonthly=Dvakr\u00e1t za m\u011bs\u00edc
-quarterly=Quarterly
-sixmonthly=Six-monthly
-sixmonthly_april=Six-monthly April
+quarterly=\u010ctvrtletn\u011b
+sixmonthly=\u0160estim\u011bs\u00ed\u010dn\u00ed
+sixmonthly_april=Duben \u0161est m\u011bs\u00edc\u016f
 yearly=Ro\u010dn\u011b
-financial_oct=Financial year (Start October)
-financial_july=Financial year (Start July)
-financial_april=Financial year (Start April)
+financial_oct=Finan\u010dn\u00ed rok (od \u0159\u00edjna)
+financial_july=Finan\u010dn\u00ed rok (od \u010dervence)
+financial_april=Finan\u010dn\u00ed rok (od dubna)
 plugin_config=Plugin config
 default_=Default
 aggregation_type=Aggregation type
@@ -172,20 +172,20 @@ you_do_not_have_access_to_all_items_in_this_favorite=You do not have access to a
 show=Show
 show_col_subtotals=Show column sub-totals
 show_row_subtotals=Show row sub-totals
-last_52_weeks=Last 52 weeks
-last_6_months=Last 6 months
+last_52_weeks=Posledn\u00edch 52 t\u00fddn\u016f
+last_6_months=Posledn\u00edch 6 m\u011bs\u00edc\u016f
 created_by=Vytvo\u0159il
 initializing=Initializing
 clear_pivot_table=Clear pivot table
-this_financial_year=This financial year
+this_financial_year=Tento fisk\u00e1ln\u00ed rok
 user_sub_units=User sub-units
 user_sub_x2_units=User sub-x2-units
 metadata_id_scheme=Meta-data ID scheme
-this_week=This week
-this_quarter=This quarter
-this_month=This month
-this_sixmonth=This six-month
-this_bimonth=This bi-month
+this_week=Tento t\u00fdden
+this_quarter=Toto \u010dtvrtlet\u00ed
+this_month=Tento m\u011bs\u00edc
+this_sixmonth=Tento p\u016flrok
+this_bimonth=T\u011bchto 14 dn\u00ed
 excluded_dimensions=Excluded dimensions
 column_dimensions=Column dimensions
 row_dimensions=Row dimensions
@@ -196,16 +196,16 @@ version=Version
 revision=Revision
 build_time=Build time
 username=Username
-error=Error
+error=Chyba
 warning=Warning
 data_approved_at_level=Data approved at level
 show_all_data=Show all data
-event_data_items=Event data items
-program_indicators=Program indicators
+event_data_items=Polo\u017eky dat ud\u00e1losti
+program_indicators=Ukazatele programu
 program=Program
-select_program=Select program
+select_program=Vybrat program
 completed_only=Completed only
-events=Events
+events=Ud\u00e1losti
 include_only_completed_events_only=Include only completed events
 comma=Comma
 space=Space
@@ -217,8 +217,8 @@ favorite_link=Favorite link
 api_link=API link
 rewind_one_period=Rewind one period
 open_favorite=Open favorite
-last_updated=Last updated
-name=Name
+last_updated=Naposledy aktualizov\u00e1no
+name=N\u00e1zev
 save_favorite_as=Save favorite as
 you_have_unsaved_changes_discard=Discard unsaved changes?
 favorite_name_exists_replace=Replace existing favorite?
@@ -244,7 +244,7 @@ this_comment_will_be_deleted_continue=This comment will be deleted. Continue?
 render_table_warning=Updating with this large amount of data could take a long time, do you want to continue anyway?
 untitled=Untitled
 title=Title
-description=Description
+description=Popis
 unnamed=Unnamed
 no_title=No title
 no_description=No description
@@ -277,7 +277,7 @@ people_like_this=people like this
 people_commented=people commented
 back_to_today=Back to today
 no_interpretations=No interpretations
-interpretations=Interpretations
+interpretations=Interpretace
 comment=Koment\u00e1\u0159
 reply=Reply
 people=people
@@ -298,11 +298,11 @@ background=Background
 legend_display_style=Legend display style
 legend_display_strategy=Legend display strategy
 days=Dn\u016f
-today=Today
-yesterday=Yesterday
-last_3_days=Last 3 days
-last_7_days=Last 7 days
-last_14_days=Last 14 days
+today=Dnes
+yesterday=V\u010dera
+last_3_days=Posledn\u00ed 3 dny
+last_7_days=Posledn\u00edch 7 dn\u00ed
+last_14_days=Posledn\u00edch 14 dn\u00ed
 open_selection_as=Open selection as
 open_selection_as_chart=Open selection as chart
 open_selection_as_map=Open selection as map
@@ -311,15 +311,15 @@ drill_up=Drill up
 drill_down=Drill down
 percent_of_row=Percentage of row
 percent_of_column=Percentage of column
-legend=Legend
+legend=Legenda
 by_data_item=By data item
 all_data_items=All data items
 apply_legend=Apply legend
 legend_style=Legend style
-bimonths_this_year=Bi-months this year
-weeks_this_year=Weeks this year
-quarters_this_year=Quarters this year
-months_this_year=Months this year
+bimonths_this_year=Dvoum\u011bs\u00ed\u010dn\u011b tento rok
+weeks_this_year=T\u00fddny tohoto roku
+quarters_this_year=\u010ctvrtlet\u00ed tohoto roku
+months_this_year=M\u011bs\u00edce tohoto roku
 experimental=Experimental
 sticky_column_dimension= Sticky column dimension
 sticky_row_dimension= Sticky row dimension
@@ -341,8 +341,8 @@ unfavorite_title=Unmark as favorite
 favorite_toggle_error=There was an error when updating the favorite status
 validation_error_object_sharing=Sharing of the object should include all sharings of its interpretations
 validation_error_interpretation_sharing=Sharing of the interpretation should be a subset of the parent object sharing
-biweekly=Bi-weekly
-biweeks=Bi-weeks
-this_biweek=This bi-week
-last_biweek=Last bi-week
-last_4_biweeks=Last 4 bi-weeks
+biweekly=po 14ti dnech
+biweeks=14 dn\u00ed
+this_biweek=T\u011bchto 14 dn\u00ed
+last_biweek=Posledn\u00edch dn\u00ed 
+last_4_biweeks=4 posledn\u00ed dvout\u00fddny