ICU-21480 Change ICU4C/J Readme update date after version change
diff --git a/icu4c/readme.html b/icu4c/readme.html
index a2fc138..edd26f8 100644
--- a/icu4c/readme.html
+++ b/icu4c/readme.html
@@ -47,7 +47,7 @@
     <p class="note only-rc">This is a release candidate version of ICU4C.
       It is not recommended for production use.</p>
 
-    <p>Last updated: 2020-Dec-02<br/>
+    <p>Last updated: 2021-Mar-16<br/>
       Copyright &copy; 2016 and later: Unicode, Inc. and others. License &amp; terms of use:
       <a href="http://www.unicode.org/copyright.html">http://www.unicode.org/copyright.html</a><br/>
       Copyright &copy; 1997-2016 International Business Machines Corporation and others.
diff --git a/icu4j/readme.html b/icu4j/readme.html
index f6abb63..53fe04d 100644
--- a/icu4j/readme.html
+++ b/icu4j/readme.html
@@ -15,7 +15,7 @@
  link="#0000ff" vlink="#800080">
 <h1>International Components for Unicode for Java (ICU4J)</h1>
 <h2>Read Me for ICU4J 69.1</h2>
-(Last Update: 2020-Dec-02)
+(Last Update: 2021-Mar-16)
 <hr size="2" width="100%">
 
 <p>