From 0ad96180b0547a600f743e3b3f0c4aa9e5b411c3 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 23 Aug 2016 18:22:50 -0700
Subject: [PROPOSED PATCH] * NEWS, europe: Cite circa-1920 Soviet decrees (from
 Alexander Belopolsky).

---
 NEWS   |  3 +++
 europe | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/NEWS b/NEWS
index fd2bcbb..50421b7 100644
--- a/NEWS
+++ b/NEWS
@@ -80,6 +80,9 @@ Unreleased, experimental changes
     tzfile.5 now documents the new restriction on POSIX TZ-like
     strings that is now implemented by zic.
 
+    Comments now cite URLs for some 1917-1921 Russian DST decrees.
+    (Thanks to Alexander Belopolsky.)
+
     tz-link.htm mentions JuliaTime (thanks to Curtis Vogt) and Time4J
     (thanks to Meno Hochschild) and ThreeTen-Extra, and its
     description of Java 8 has been brought up to date (thanks to
diff --git a/europe b/europe
index 2ad164b..c1c3410 100644
--- a/europe
+++ b/europe
@@ -582,16 +582,33 @@ Rule	E-Eur	1979	1995	-	Sep	lastSun	 0:00	0	-
 Rule	E-Eur	1981	max	-	Mar	lastSun	 0:00	1:00	S
 Rule	E-Eur	1996	max	-	Oct	lastSun	 0:00	0	-
 
+
+# Daylight saving time for Russia and the Soviet Union
+#
+# The 1917-1921 decree URLs are from Alexander Belopolsky (2016-08-23).
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Russia	1917	only	-	Jul	 1	23:00	1:00	MST  # Moscow Summer Time
+#
+# Decree No. 142 (1917-12-22) http://istmat.info/node/28137
 Rule	Russia	1917	only	-	Dec	28	 0:00	0	MMT  # Moscow Mean Time
+#
+# Decree No. 497 (1918-05-30) http://istmat.info/node/30001
 Rule	Russia	1918	only	-	May	31	22:00	2:00	MDST # Moscow Double Summer Time
 Rule	Russia	1918	only	-	Sep	16	 1:00	1:00	MST
+#
+# Decree No. 258 (1919-05-29) http://istmat.info/node/37949
 Rule	Russia	1919	only	-	May	31	23:00	2:00	MDST
+#
 Rule	Russia	1919	only	-	Jul	 1	 2:00	1:00	MSD
 Rule	Russia	1919	only	-	Aug	16	 0:00	0	MSK
+#
+# Decree No. 63 (1921-02-03) http://istmat.info/node/45840
 Rule	Russia	1921	only	-	Feb	14	23:00	1:00	MSD
+#
+# Decree No. 121 (1921-03-07) http://istmat.info/node/45949
 Rule	Russia	1921	only	-	Mar	20	23:00	2:00	+05
+#
 Rule	Russia	1921	only	-	Sep	 1	 0:00	1:00	MSD
 Rule	Russia	1921	only	-	Oct	 1	 0:00	0	-
 # Act No. 925 of the Council of Ministers of the USSR (1980-10-24):
-- 
2.7.4

