Science

There is plenty of literature supporting these concepts. Take a gander, or cite as needed:

• Geophysical, archaeological, and historical evidence support a solar-output model for climate change Charles A. Perry* and Kenneth J. Hsu 2000

History

Previous Minima

Spörer Minimum

• The early Spörer Minimum: a Period of Extraordinary Climate and Socio-economic Changes in Western and Central Europe

Effects

Drought

• Study links solar minima to regional drought

Food Production

Peak Food

• [1] as referenced in "Peak Food"

Solar Activity

Peaks at Equinoxes

• Russell-McPherron effect: cracks in magnetosphere appear due around the Equinoxes