3rd week of year 1280

Monday, January 15, 1280 — Sunday, January 21, 1280

• Monday, January 15, 1280
• Tuesday, January 16, 1280
• Wednesday, January 17, 1280
• Thursday, January 18, 1280
• Friday, January 19, 1280
• Saturday, January 20, 1280
• Sunday, January 21, 1280