John wrote this approximately in the year 100. I do not believe it is referring to medieval happenings but rather the blood of the Catholic martyrs who were being killed by Nero of the Roman Empire
And the Protestant martyrs also. Let's not forget them.
238 posted on 11/07/2014 10:53:57 AM PST by Syncro
(Benghazi-LIES/CoverupIRS-LIES/CoverupDOJ-NO Justice--Etc Marxist Treason IMPEACH!)