Historical clue formulations

• Ancient symbols of life — 2025-07-13
• Egyptian symbols of life — 2024-09-03
• Some divine symbols — 2023-07-28
• Ancient symbols of life — 2021-12-24
• Key symbols — 2020-11-12
• Looping symbols of life — 2019-04-12
• Sacred crosses — 2017-11-05
• Signs of life — 2016-04-30
• Pyramid crosses — 2015-10-04
• Egyptian crosses — 2011-03-21
• Hippies' crosses — 2010-01-05
• Egyptian crosses — 2008-09-21
• Some hieroglyphic characters — 2007-11-18
• Egyptian crosses — 2007-07-22
• Crosses with loops — 2004-06-27
• Old Egyptian crosses — 2003-10-06
• Crosses with loops — 2003-06-06
• Pharaohs' crosses — 2002-01-15
• Egyptian symbols of life — 2000-06-23
• Signs of life — 2000-01-09
• Egyptian crosses — 1999-03-31
• Egyptian symbols of life — 1997-04-28
• Looped crosses — 1995-04-09