Year 1523 (MDXXIII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.
The 'breech-loading culverins presented at the Ming court in 1522' were a gift from the Portuguese; and Portuguese arquebuses were acquired in the 1540s by the Japanese, who copied and greatly improved them.
Lokasi Pengunjung: 3.144.230.33