Year 1257 (MCCLVII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. January 13 – At the first recorded...

Windows-1257 (Windows Baltic) is an 8-bit, single-byte extended ASCII code page used to support the Estonian, Latvian and Lithuanian languages under Microsoft...

PSR B1257+12, previously designated PSR 1257+12, alternatively designated PSR J1300+1240, is a millisecond pulsar located 2,300 light-years (710 parsecs)...

its location in the sky. On its discovery, the planet was designated PSR 1257+12 A and later PSR B1257+12 A. It was discovered before the convention that...

VHS J125601.92–125723.9 (abbreviated to VHS J1256–1257) is a young triple brown dwarf system located in the constellation Corvus approximately 69.0 light-years...

Yuan Haowen (born 1190), Chinese Sanqu poetry writer Lanfranc Cigala died 1257 or 1258 (born unknown), Genoese nobleman, knight, judge, and man of letters...

In 1257, a catastrophic eruption occurred at Samalas, a volcano on the Indonesian island of Lombok. The event had a probable Volcanic Explosivity Index...

its location in the sky. On its discovery, the planet was designated PSR 1257+12 B and later PSR B1257+12 B. It was discovered before the convention that...

Mary of Hungary (c. 1257 – 25 March 1323), of the Árpád dynasty, was Queen of Naples and Queen of Albania by marriage to King Charles II. She was a daughter...

former ally, signed a ten-year pact of military alliance with Venice. In 1257 a Venetian admiral, Lorenzo Tiepolo, broke through Acre's harbour chain and...