From 69544b3832338845261e56aa4709c717f4982560 Mon Sep 17 00:00:00 2001
From: Lars Brinkhoff <lars@nocrew.org>
Date: Sat, 12 May 2018 10:04:31 +0200
Subject: [PATCH] Update version history.

- ITS was first operational in 1967, not 1966.
- AIM-169 from 1968 mentions version 444.
- Fairly certain virtual memory was added in 1970.
---
 doc/versions.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/doc/versions.md b/doc/versions.md
index 1bdaeaec..2960ecdd 100644
--- a/doc/versions.md
+++ b/doc/versions.md
@@ -1,9 +1,9 @@
 | Year | Versions | Comment
 | --- | --- | ---
-| 1966 |1? | PDP-6
-| 1968 | 350
+| 1967 | 1? | PDP-6
+| 1968 | 350-444
 | 1969 | 530 | KA10 support?
-| 1970? | | Virtual memory
+| 1970 | | Virtual memory
 | 1971 | 672-703 | Arpanet support
 | 1972 | 720-724
 | 1973 | 785-850