On This Day: April 20th

George Washington arrives at Grays Ferry, Philadelphia, while en route to Manhattan for his inauguration.

The Georgian king, Erekle II, abandoned by his Russian ally Count Totleben, wins a victory over Ottoman forces at Aspindza.

Start of Konbaung-Hanthawaddy War, a new phase in the Burmese Civil War (1740-57).

English Admiral Robert Blake destroys a Spanish silver fleet, under heavy fire from the shore, at the Battle of Santa Cruz de Tenerife.

Freedom of religion is granted to the Jews of New Amsterdam (later New York City).

Oliver Cromwell dissolves England's Rump Parliament.

A complex halo display is observed over Stockholm, Sweden, inspiring the Vädersolstavlan ("The Sundog painting"), the earliest depiction of such an event, and the oldest colour depiction of the city.

The Sapienza University of Rome is instituted by a bull of Pope Boniface VIII.

The Bahri Mamluks defeat the Ilkhanate in the battle of Marj al-Saffar, marking the end of the Mongol incursions into Syria.

After an eight-year conflict, Baldwin III of Jerusalem wins sole control of the Kingdom of Jerusalem from his mother Melisende.