1st week of year 1591

Monday, December 31, 1590 — Sunday, January 6, 1591

• Monday, December 31, 1590
• Tuesday, January 1, 1591
• Wednesday, January 2, 1591
• Thursday, January 3, 1591
• Friday, January 4, 1591
• Saturday, January 5, 1591
• Sunday, January 6, 1591