Historical clue formulations

• Forerunner of the K.G.B. — 2008-10-05
• K.G.B. predecessor — 2008-03-30
• K.G.B. predecessor — 2007-06-10
• Old Soviet secret police org. — 2002-10-06
• K.G.B. predecessor — 1995-03-24
• Old Russian secret-police org. — 1994-04-03
• Lenin's police org. — 1994-03-10