ICU-20975 BRS66rc update Unicode license copyright
diff --git a/icu4c/LICENSE b/icu4c/LICENSE
index 2e01e36..e7f98ed 100644
--- a/icu4c/LICENSE
+++ b/icu4c/LICENSE
@@ -1,6 +1,6 @@
 COPYRIGHT AND PERMISSION NOTICE (ICU 58 and later)
 
-Copyright © 1991-2019 Unicode, Inc. All rights reserved.
+Copyright © 1991-2020 Unicode, Inc. All rights reserved.
 Distributed under the Terms of Use in https://www.unicode.org/copyright.html.
 
 Permission is hereby granted, free of charge, to any person obtaining
diff --git a/icu4j/main/shared/licenses/LICENSE b/icu4j/main/shared/licenses/LICENSE
index 2e01e36..e7f98ed 100644
--- a/icu4j/main/shared/licenses/LICENSE
+++ b/icu4j/main/shared/licenses/LICENSE
@@ -1,6 +1,6 @@
 COPYRIGHT AND PERMISSION NOTICE (ICU 58 and later)
 
-Copyright © 1991-2019 Unicode, Inc. All rights reserved.
+Copyright © 1991-2020 Unicode, Inc. All rights reserved.
 Distributed under the Terms of Use in https://www.unicode.org/copyright.html.
 
 Permission is hereby granted, free of charge, to any person obtaining