1966

January

 * 1 - The TARDIS departs Trafalgar Square, where it had arrived during the New Year's Eve celebrations. (DW: The Daleks' Master Plan)

July

 * 5 - Ben Jackson begins a five month shore posting. (DW: The War Machines)
 * (12 - 20) - The events of The War Machines take place.
 * 20 - The events of The Faceless Ones and the opening of The Evil of the Daleks take place.

November

 * 15 - Perpugilliam Brown is born in America.

January

 * 01 - "Volcano" First Broadcast (The Daleks' Master Plan Episode 8)
 * 08 - "Golden Death" First Broadcast (The Daleks' Master Plan Episode 9)
 * 15 - "Escape Switch" First Broadcast (The Daleks' Master Plan Episode 10)
 * 22 - "The Abandoned Planet" First Broadcast (The Daleks' Master Plan Episode 11)
 * 29 - "Destruction of Time" First Broadcast (The Daleks' Master Plan Episode 12)
 * 30 - Daphne Ashbrook is born in Long Beach, California.

February

 * 05 - "War of God" First Broadcast (The Massacre of St Bartholomew's Eve Episode 1)
 * 12 - "The Sea Beggar" First Broadcast (The Massacre of St Bartholomew's Eve Episode 2)
 * 19 - "Priest of Death" First Broadcast (The Massacre of St Bartholomew's Eve Episode 3)
 * 26 - "Bell of Doom" First Broadcast (The Massacre of St Bartholomew's Eve Episode 4)

March

 * 05 - "The Steel Sky" First Broadcast (The Ark Episode 1)
 * 12 - "The Plague" First Broadcast (The Ark Episode 2)
 * 19 - "The Return" First Broadcast (The Ark Episode 3)
 * 26 - "The Bomb" First Broadcast (The Ark Episode 4)

April

 * 02 - "The Celestial Toyroom" First Broadcast (The Celestial Toymaker Episode 1)
 * 09 - "The Hall of Dolls" First Broadcast (The Celestial Toymaker Episode 2)
 * 16 - "The Dancing Floor" First Broadcast (The Celestial Toymaker Episode 3)
 * 23 - "The Final Test" First Broadcast (The Celestial Toymaker Episode 4)
 * 30 - "A Holiday for the Doctor" First Broadcast (The Gunfighters Episode 1)

May

 * 07 - "Don't Shoot the Pianist" First Broadcast (The Gunfighters Episode 2)
 * 14 - "Johnny Ringo" First Broadcast (The Gunfighters Episode 3)
 * 21 - "The OK Corral" First Broadcast (The Gunfighters Episode 4)
 * 28 - The Savages Episode 1 First Broadcast

June

 * 04 - The Savages Episode 2 First Broadcast
 * 11 - The Savages Episode 3 First Broadcast
 * 18 - The Savages Episode 4 First Broadcast
 * 25 - The War Machines Episode 1 First Broadcast

July

 * 02 - The War Machines Episode 2 First Broadcast
 * 09 - The War Machines Episode 3 First Broadcast
 * 16 - The War Machines Episode 4 First Broadcast

September

 * 10 - The Smugglers Episode 1 First Broadcast
 * 17 - The Smugglers Episode 2 First Broadcast
 * 24 - The Smugglers Episode 3 First Broadcast

October

 * 01 - The Smugglers Episode 4 First Broadcast
 * 08 - The Tenth Planet Episode 1 First Broadcast
 * 15 - The Tenth Planet Episode 2 First Broadcast
 * 22 - The Tenth Planet Episode 3 First Broadcast
 * 29 - The Tenth Planet Episode 4 First Broadcast

November

 * 05 - The Power of the Daleks Episode 1 First Broadcast
 * 12 - The Power of the Daleks Episode 2 First Broadcast
 * 19 - The Power of the Daleks Episode 3 First Broadcast
 * 26 - The Power of the Daleks Episode 4 First Broadcast

December

 * 03 - The Power of the Daleks Episode 5 First Broadcast
 * 10 - The Power of the Daleks Episode 6 First Broadcast
 * 17 - The Highlanders Episode 1 First Broadcast
 * 24 - The Highlanders Episode 2 First Broadcast
 * 31 - The Highlanders Episode 3 First Broadcast

Reference

 * A History of the Universe by Lance Parkin