1028 ⟶ Al-Zarqālī Constructs Equatorium and Universal Astrolabe
1087 – Abū Ishāq Ibrāhīm al-Zarqālī (Arzachel) builds the eq...Year
1020
1028
1037
1054
1058
1066
⚙️ Ibn Samh Constructs a Geared Mechanical Astrolabe
– Ibn Samh of Al-Andalus builds a geared mechanical astrolabe.⟶

Islamic Golden AgeAstronomyAstrolabeMathematicsAl-AndalusScientific InstrumentsMiddle Ages

🔭 Al-Zarqālī Constructs Equatorium and Universal Astrolabe
1087 – Abū Ishāq Ibrāhīm al-Zarqālī (Arzachel) builds the equatorium and universal latitude-independent astrolabe.⟶

AstronomyAstrolabeIslamic Golden AgeScientific InstrumentsMathematicsAl-Andalus

⚔️ Ferdinand I of León's Conquest of Galicia
Ferdinand I of León conquers the Kingdom of Galicia.⟶

Middle AgesReconquistaKingdom of LeónConquestTerritorial Expansion

⚔️ Battle of Atapuerca
the Battle of Atapuerca is fought between García V of Navarre and Ferdinand I of León.⟶
Medieval WarfareReconquistaKingdom of LeónBattleMilitary Conflict

🔭 Al-Zarqālī's Discovery of Solar Apsidal Precession
al-Zarqālī in Islamic Spain discovers the apsidal precession of the Sun.⟶

AstronomyIslamic Golden AgeMathematicsAl-AndalusMiddle AgesAstrology

⚔️ Granada Massacre: Jewish Community Slaughtered
the Jewish vizier Joseph ibn Naghrela and many others are killed in the 1066 Granada massacre.⟶

Religious ViolencePersecutionAntisemitismJudaismAl-AndalusMassacre
