Historical clue formulations

• Czech reformer Jan — 2016-03-06
• Czech reformer Jan — 2014-08-14
• Czech martyr Jan — 2012-06-02
• Czech religious reformer Jan — 2011-09-09
• Czech martyr Jan — 2010-12-26
• Religious reformer Jan — 2006-08-26
• Czech martyr Jan — 2000-02-12