15th week of year 1866

Monday, April 9, 1866 — Sunday, April 15, 1866

• Monday, April 9, 1866
• Tuesday, April 10, 1866
• Wednesday, April 11, 1866
• Thursday, April 12, 1866
• Friday, April 13, 1866
• Saturday, April 14, 1866
• Sunday, April 15, 1866