Historical clue formulations

• *One of two extremes in a saying — 2022-01-05
• Something Pharaoh's dream foretold in Genesis — 2021-03-21
• Cause of 1840s-'50s emigration from Ireland — 2016-05-18
• Period of widespread food shortage — 2015-11-09
• Widespread food shortage — 2014-01-13
• What a biblical black horseman symbolizes — 2013-03-15
• Extreme shortage — 2000-10-22
• Woe of Genesis 12:10 — 1999-09-26