I think you see some whois service bug, because 1970 this is Unix time.
This is real data:
domain: paris.fi
status: Granted
created: 23.7.2016
modified: 23.7.2016
expires: 22.7.2017
nserver: ns2.hostingpalvelu.fi [Ok]
nserver: ns1.hostingpalvelu.fi [Ok]
dnssec: no
And the oldest domain #1 is Symbolics.com created March 15, 1985