diff --git a/HISTORY-ID.txt b/HISTORY-ID.txt
index 97943eab..4ffcf67e 100644
--- a/HISTORY-ID.txt
+++ b/HISTORY-ID.txt
@@ -294,7 +294,7 @@
     - Commonized IDD_ADDDLGINIT and IDD_MODIFYDLGINIT.
     - Changed the design of RES_str_get and RES_str_set.
     - Added RES_get_text and RES_set_text functions to EGA.
-- v.5.7.8 (2023-XX-YY)
+- v.5.7.8 (2023-10-06)
     - Improved Portuguese (Brazilian) translation.
     - Relaxed font selection requirements.
     - Added Traditional Chinese translation.
diff --git a/HISTORY-ITA.txt b/HISTORY-ITA.txt
index 12a315e8..e9137dde 100644
--- a/HISTORY-ITA.txt
+++ b/HISTORY-ITA.txt
@@ -294,7 +294,7 @@
     - IDD_ADDDLGINIT e IDD_MODIFYDLGINIT comuni.
     - Modificato il design di RES_str_get e RES_str_set.
     - Aggiunte le funzioni RES_get_text e RES_set_text a EGA.
-- v.5.7.8 (2023-XX-YY)
+- v.5.7.8 (06.10.2023)
     - Traduzione portoghese (brasiliano) migliorata.
     - Requisiti rilassati selezione font.
     - Added Traditional Chinese translation.
diff --git a/HISTORY-JPN.txt b/HISTORY-JPN.txt
index 093ac0aa..9b0146c9 100644
--- a/HISTORY-JPN.txt
+++ b/HISTORY-JPN.txt
@@ -638,7 +638,7 @@
     - IDD_ADDDLGINIT と IDD_MODIFYDLGINIT を共通化。
     - RES_str_get と RES_str_set の設計を変更。
     - RES_get_text と RES_set_text 関数をEGAに追加。
-- v.5.7.8 (2023-XX-YY)
+- v.5.7.8 (2023-10-06)
     - ポルトガル語（ブラジル）の翻訳を改良。
     - フォント選択条件を緩和。
     - 繁体字中国語を追加。
diff --git a/HISTORY-KOR.txt b/HISTORY-KOR.txt
index 89025403..b50b1753 100644
--- a/HISTORY-KOR.txt
+++ b/HISTORY-KOR.txt
@@ -295,7 +295,7 @@
     - 공통화된 IDD_ADDLGINIT 및 IDD_MODIFYDLGINIT.
     - RES_str_get 및 RES_str_set의 설계를 변경했습니다.
     - EGA에 RES_get_text 및 RES_set_text 함수를 추가했습니다.
-- v.5.7.8 (2023-XX-YY)
+- v.5.7.8 (2023-10-06)
     - 포르투갈어(브라질) 번역이 개선되었습니다.
     - 글꼴 선택 요구사항이 완화되었습니다.
     - Added Traditional Chinese translation.
diff --git a/HISTORY-PTB.txt b/HISTORY-PTB.txt
index c0578ae1..7688e34f 100644
--- a/HISTORY-PTB.txt
+++ b/HISTORY-PTB.txt
@@ -294,7 +294,7 @@
     - Comunizado IDD_ADDDLGINIT e IDD_MODIFYDLGINIT.
     - Alterou o design de RES_str_get e RES_str_set.
     - Adicionou as funções RES_get_text e RES_set_text ao EGA.
-- v.5.7.8 (2023-XX-YY)
+- v.5.7.8 (2023-10-06)
     - Melhorias na tradução Português do Brasil.
     - Relaxed font selection requirements.
     - Added Traditional Chinese translation.
diff --git a/HISTORY.txt b/HISTORY.txt
index 3a28160a..255b7b92 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -294,7 +294,7 @@
     - Commonized IDD_ADDDLGINIT and IDD_MODIFYDLGINIT.
     - Changed the design of RES_str_get and RES_str_set.
     - Added RES_get_text and RES_set_text functions to EGA.
-- v.5.7.8 (2023-XX-YY)
+- v.5.7.8 (2023-10-06)
     - Improved Portuguese (Brazilian) translation.
     - Relaxed font selection requirements.
     - Added Traditional Chinese translation.