-660 ⟶ Kaali Crater Impact Event

Estimated date of the impact that created the Kaali crater
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Year
-660
-648
-432
1343
1801
1992

☄️ Kaali Crater Impact Event

Estimated date of the impact that created the Kaali crater⟶
Kaali Crater Impact Event (-660)
AstronomyGeologyNatural DisasterEstonia
EstoniaEstonia

☀️ Earliest Greek-Recorded Solar Eclipse

April 6, 648 BC: Earliest Greek-chronicled solar eclipse.⟶
Earliest Greek-Recorded Solar Eclipse (-648)
Ancient greeceAstronomyEclipseChronologyObservationNatural PhenomenaCosmology
GreeceGreece

🗓️ Athens Adopts Metonic Cycle for Calendar Synchronization

Athens adopts a 19-year cycle of synchronizing solar and lunar calendars.⟶
Athens Adopts Metonic Cycle for Calendar Synchronization (-432)
Ancient greeceCalendarsAstronomyTimekeeping
GreeceGreece

⚔️ Saint George's Night Uprising by Estonian Pagans

1345: In Saint George's Night Uprising, pagan Estonians launch a last large-scale attempt to rid themselves of the non-indigenous Christian religion.⟶
Saint George's Night Uprising by Estonian Pagans (1343)
Middle AgesCrusadesReligious ConflictPaganismChristianityRebellionEstoniaTeutonic Order
EstoniaEstonia

🔭 Giuseppe Piazzi Discovers Dwarf Planet Ceres

Italian astronomer Giuseppe Piazzi discovers the dwarf planet Ceres.⟶
Giuseppe Piazzi Discovers Dwarf Planet Ceres (1801)
AstronomyPlanetary ScienceSolar System
ItalyItaly

🇪🇪 Lennart Meri Elected President of Estonia

October 6: Lennart Meri becomes the first President of Estonia after regaining independence.⟶
Lennart Meri Elected President of Estonia (1992)
EstoniaPresidencyIndependenceBaltic StatesDemocracy
EstoniaEstonia