Historical clue formulations

• Thermonuclear experiment of the '50s — 2016-02-02
• Cloud producer, informally — 2012-06-21
• '50s trial — 2012-06-09
• Poisonous mushroom producer, briefly? — 2010-10-29
• Explosive event of '54 — 2010-02-28
• Mushroom cloud maker, for short — 2010-02-16
• 1954 event code-named Castle Bravo — 2008-07-06
• Bikini blast — 2008-04-20
• '54 event on Bikini atoll — 2006-03-02
• 1950's trial — 1999-01-03