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Jun 4, 2022 at 9:12 comment added user55099 This must be tightly connected to the nature of the agriculture and seasons. In a tropical rainforest where plants grow all year around you might not need to control when you plant. In a northern clime where day length varies over the year by ±6 hours and the seasons move from ice and snow to blazing sun, then you crop once a year and need to regulate planting.
Jun 3, 2022 at 17:56 history edited MCW CC BY-SA 4.0
by convention, the title should always ask a question.
Dec 20, 2012 at 14:56 vote accept Joe
Aug 31, 2012 at 12:33 history edited E1Suave
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S Aug 29, 2012 at 2:01 history bounty ended CommunityBot
S Aug 29, 2012 at 2:01 history notice removed CommunityBot
Aug 21, 2012 at 17:19 answer added E1Suave timeline score: 21
S Aug 21, 2012 at 0:38 history bounty started Joe
S Aug 21, 2012 at 0:38 history notice added Joe Draw attention
Aug 19, 2012 at 2:57 comment added Russell @MichaelF My thoughts exactly; without a calendar, when would you know when to plant your crops.
Aug 19, 2012 at 2:57 history tweeted twitter.com/#!/StackHistory/status/237020456442527746
Aug 18, 2012 at 23:08 comment added MichaelF Interesting question, I'd wonder how the society would be able to farm effectively if they did not have some sort of system to keep track of when to plant or harvest.
Aug 18, 2012 at 19:07 comment added Joe @SevenSidedDie, I'm not sure we know what Stonehenge is with enough certainty to count it as a calendar. My guess is that the society that built Stonehenge is simply too poorly-understood to be an answer to this question.
Aug 18, 2012 at 18:43 comment added SevenSidedDie Does Stonehenge count as a calendar to your thinking?
Aug 18, 2012 at 18:32 history asked Joe CC BY-SA 3.0