diff --git a/content/oral-histories/kiessel-good_market.md b/content/oral-histories/kiessel-good_market.md
index f7d2d74..fb86633 100644
--- a/content/oral-histories/kiessel-good_market.md
+++ b/content/oral-histories/kiessel-good_market.md
@@ -3,8 +3,8 @@ title: "Amanda Kiessel: Good Market"
 narrator: Amanda Kiessel
 subject: Good Market
 facilitator: Nathan Schneider
-date: October 29, 2024
-approved: December 16, 2024
+date: 2024-10-29
+approved: 2024-12-16
 summary: "Good Market is a digital commons for enterprises that prioritize people and the planet over profit. It enables communities to set and enforce their own standards for doing business."
 tags: [economics, organizations, ecology, standards]
 ---
diff --git a/content/oral-histories/littauer-constructed_languages.md b/content/oral-histories/littauer-constructed_languages.md
index 0b957e1..f0b8bd4 100644
--- a/content/oral-histories/littauer-constructed_languages.md
+++ b/content/oral-histories/littauer-constructed_languages.md
@@ -3,7 +3,7 @@ title: "Richard Littauer: Constructed Languages"
 narrator: Richard Littauer
 subject: Constructed Languages
 facilitator: Nathan Schneider
-date: February 4, 2025
+date: 2025-02-04
 approved: DATE
 summary: "Constructed languages, or conlangs, are the basis of a hobby, a science, and a community that now occupies a small corner of the entertainment industry."
 tags: [fiction, language, open source, software]
diff --git a/content/oral-histories/mannan-diplomatic_protocols.md b/content/oral-histories/mannan-diplomatic_protocols.md
index c11b490..f75d8a0 100644
--- a/content/oral-histories/mannan-diplomatic_protocols.md
+++ b/content/oral-histories/mannan-diplomatic_protocols.md
@@ -3,8 +3,8 @@ title: "Mosud Mannan: Diplomatic protocols"
 narrator: Mosud Mannan
 subject: Diplomatic protocols
 facilitator: Nathan Schneider
-date: December 13, 2024
-approved: March 4, 2025
+date: 2024-12-13
+approved: 2025-03-04
 summary: "A diplomat for Bangladesh describes the role of protocol in high-profile international visits and treaty negotiations."
 tags: [diplomacy, government, friendship]
 ---