Year 1257 (MCCLVII) was a common year starting on Monday of the Julian calendar. January 13 – At the first recorded meeting of the college of the seven...

Windows-1257 (Windows Baltic) is an 8-bit, single-byte extended ASCII code page used to support the Estonian (which also used in Windows-1252), Latvian...

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

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...

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...

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...

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

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

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...

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...