diff --git a/src/lang/simplified_chinese.txt b/src/lang/simplified_chinese.txt
index d3deeece00..489464455b 100644
--- a/src/lang/simplified_chinese.txt
+++ b/src/lang/simplified_chinese.txt
@@ -3895,6 +3895,7 @@ STR_COMPANY_VIEW_CAPTION                                        :{WHITE}{COMPANY
 STR_COMPANY_VIEW_PRESIDENT_MANAGER_TITLE                        :{WHITE}{PRESIDENT_NAME}{}{GOLD}（总裁）
 
 STR_COMPANY_VIEW_INAUGURATED_TITLE                              :{GOLD}开业时间：{WHITE}{NUM}
+STR_COMPANY_VIEW_INAUGURATED_TITLE_WALLCLOCK                    :{GOLD}开业时间：{WHITE}{NUM}（第 {NUM} 周期）
 STR_COMPANY_VIEW_COLOUR_SCHEME_TITLE                            :{GOLD}色彩方案：
 STR_COMPANY_VIEW_VEHICLES_TITLE                                 :{GOLD}载具总数：
 STR_COMPANY_VIEW_TRAINS                                         :{WHITE}列车 {COMMA} 列
diff --git a/src/lang/swedish.txt b/src/lang/swedish.txt
index 50de11c818..a4e9183096 100644
--- a/src/lang/swedish.txt
+++ b/src/lang/swedish.txt
@@ -3895,6 +3895,7 @@ STR_COMPANY_VIEW_CAPTION                                        :{WHITE}{COMPANY
 STR_COMPANY_VIEW_PRESIDENT_MANAGER_TITLE                        :{WHITE}{PRESIDENT_NAME}{}{GOLD}(VD)
 
 STR_COMPANY_VIEW_INAUGURATED_TITLE                              :{GOLD}Etablerades: {WHITE}{NUM}
+STR_COMPANY_VIEW_INAUGURATED_TITLE_WALLCLOCK                    :{GOLD}Etablerades: {WHITE}{NUM} (period {NUM})
 STR_COMPANY_VIEW_COLOUR_SCHEME_TITLE                            :{GOLD}Färgschema:
 STR_COMPANY_VIEW_VEHICLES_TITLE                                 :{GOLD}Fordon:
 STR_COMPANY_VIEW_TRAINS                                         :{WHITE}{COMMA} tåg
diff --git a/src/lang/traditional_chinese.txt b/src/lang/traditional_chinese.txt
index c74a351064..93858af5ee 100644
--- a/src/lang/traditional_chinese.txt
+++ b/src/lang/traditional_chinese.txt
@@ -3895,6 +3895,7 @@ STR_COMPANY_VIEW_CAPTION                                        :{WHITE}{COMPANY
 STR_COMPANY_VIEW_PRESIDENT_MANAGER_TITLE                        :{WHITE}{PRESIDENT_NAME}{}{GOLD}(總經理)
 
 STR_COMPANY_VIEW_INAUGURATED_TITLE                              :{GOLD}成立於：{WHITE}{NUM}
+STR_COMPANY_VIEW_INAUGURATED_TITLE_WALLCLOCK                    :{GOLD}成立於：{WHITE}{NUM}（第 {NUM} 週期）
 STR_COMPANY_VIEW_COLOUR_SCHEME_TITLE                            :{GOLD}配色：
 STR_COMPANY_VIEW_VEHICLES_TITLE                                 :{GOLD}車輛總數：
 STR_COMPANY_VIEW_TRAINS                                         :{WHITE}列車 {COMMA} 列