1964

July

 * 13 - Maria Jackson broke free of the Trickster's Graske servant and arrived on this date. A few minutes later, thirteen year old Sarah Jane Smith's best friend Andrea Yates fell off a pier and drowned. (SJA: Whatever Happened to Sarah Jane?)
 * 22 - Melanie Bush was born. (BFDWU: He Jests at Scars...)

November

 * 15 - According to her passport, this was the birthdate of Perpugilliam "Peri" Brown. (DW: Planet of Fire)

Unknown dates

 * Foxgrove was destroyed to make way for a new motorway. (SJA: The Temptation of Sarah Jane Smith)
 * The Fourth Doctor visited St Cedd's College at Cambridge. (DW: Shada)
 * An archaeological dig in Alaska led by Tulung's father accidentally unearthed a Permian fossil, which revived and attacked them. While Shaun Brett's father fled, Tulung's father used dynamite to destroy the creature. The plane carrying Brett nearly collided with the TARDIS, which had materialised in mid-air. (BFA: The Land of the Dead)

Andrea Yates' World

 * 13 July - In a timeline created by the Trickster, Sarah drowned and Andrea lived. This was undone by Andrea in 2008, once she realised the scale of what she had done. (SJA: Whatever Happened to Sarah Jane?)

January

 * 04 - "The Escape" (DW: The Daleks Episode 3) was first broadcast.
 * 11 - "The Ambush" (DW: The Daleks Episode 4) was first broadcast.
 * 18 - "The Expedition" (DW: The Daleks Episode 5) was first broadcast.
 * 25 - "The Ordeal" (DW: The Daleks Episode 6) was first broadcast.

Early 1964

 * Moris Farhi submited a six-episode script entitled Farewell Great Macedon and a single-episode script entitled The Fragile Yellow Arc of Fragrance. Neither were produced, but both would be published in 2009.

February

 * A recording of the Doctor Who theme by the BBC Radiophonic Workshop was released on a 45 rpm single. Likely the earliest release of any soundtrack music from the series.
 * Another recording of the Doctor Who theme, this time by Eric Winstone and his Orchestra, was also released on Pye Records, and was possibly the first non-BBC recording of the theme to be issued.
 * 01 - "The Rescue" (DW: The Daleks Episode 7; not to be confused with a later serial of the same name) was first broadcast.
 * 08 - "The Edge of Destruction" (DW: The Edge of Destruction Episode 1) was first broadcast.
 * 15 - "The Brink of Disaster" (DW: The Edge of Destruction Episode 2) was first broadcast.
 * Radio Times prints its first-ever Doctor Who-related cover (dated February 22-28) to promote the first episode of DW: Marco Polo.
 * 16 - Christopher Eccleston (the Ninth Doctor) was born in Salford, Lancashire, England. He was the first actor to play the Doctor born after the series debuted on television.
 * 22 - "The Roof of the World" (DW: Marco Polo Episode 1) was first broadcast.
 * 29 - "The Singing Sands" (DW: Marco Polo Episode 2) was first broadcast.

March

 * 07 - "Five Hundred Eyes"(DW: Marco Polo Episode 3) was first broadcast.
 * 14 - "The Wall of Lies" (DW: Marco Polo Episode 4) was first broadcast.
 * 21 - "Rider From Shang-Tu" (DW: Marco Polo Episode 5) was first broadcast.
 * 28 - "Mighty Kublai Khan" (DW: Marco Polo Episode 6) was first broadcast.

April

 * 01 - Marcus Hutton was born.
 * 04 - "Assassin at Peking" (DW: Marco Polo Episode 7) was first broadcast.
 * 11 - "The Sea of Death" (DW: The Keys of Marinus Episode 1) was first broadcast.
 * 18 - "The Velvet Web" First Broadcast (DW: The Keys of Marinus Episode 2) was first broadcast.
 * 20 - BBC Two, the United Kingdom's third TV network, was launched. Henceforth the main BBC network, which aired Doctor Who, would be known as BBC One.
 * 25 - "The Screaming Jungle" (DW: The Keys of Marinus Episode 3) was first broadcast.

May

 * 02 - "The Snows of Terror" (DW: The Keys of Marinus Episode 4) was first broadcast.
 * 09 - "Sentence of Death" (DW: The Keys of Marinus Episode 5) was first broadcast.
 * 16 - "The Keys of Marinus" First Broadcast (DW: The Keys of Marinus Episode 6) was first broadcast.
 * 23 - "The Temple of Evil" (DW: The Aztecs Episode 1) was first broadcast.
 * 30 - "The Warriors of Death" (DW: The Aztecs Episode 2) was first broadcast.

June

 * 06 - "The Bride of Sacrifice" (DW: The Aztecs Episode 3) was first broadcast.
 * 13 - "The Day of Darkness" (DW: The Aztecs Episode 4) was first broadcast.
 * 20 - "Strangers in Space" (DW: The Sensorites Episode 1) was first broadcast.
 * 22 - Paterson Joseph was born.
 * 27 - "The Unwilling Warriors" (DW: The Sensorites Episode 2) was first broadcast.
 * 30 - The Dalek Book was published, possibly the first book tie-in with Doctor Who featuring original material.

July

 * 11 - "Hidden Danger" (DW: The Sensorites Episode 3) was first broadcast.
 * 18 - "A Race Against Death" (DW: The Sensorites Episode 4) was first broadcast.
 * 22 - Bonnie Langford, who would play Melanie Bush, was born in Hampton Court, Surrey, England. She was the first companion actor to be born after the start of the original series.
 * 25 - "Kidnap" (DW: The Sensorites Episode 5) was first broadcast.

August

 * 01 - "A Desperate Venture" (DW: The Sensorites Episode 6) was first broadcast.
 * 08 - "A Land of Fear" (DW: The Reign of Terror Episode 1) was first broadcast.
 * 15 - "Guests of Madame Guillotine" (DW: The Reign of Terror Episode 2) was first broadcast.
 * 22 - "A Change of Identity" (DW: The Reign of Terror Episode 3) was first broadcast.
 * 29 - "The Tyrant of France" (DW: The Reign of Terror Episode 4) was first broadcast.

September

 * 05 - "A Bargain of Necessity" (DW: The Reign of Terror Episode 5) was first broadcast.
 * Stephen Greenhorn, writer of DW: The Lazarus Experiment and The Doctor's Daughter, was born in West Lothian, Scotland.
 * 12 - "Prisoners of Concergerie" (DW: The Reign of Terror Episode 6) was first broadcast. The airing of this episode concluded Season 1 of Doctor Who, although only a few weeks passed before the start of Season 2.

October

 * 31 - "Planet of Giants", the first episode of Season 2 and of the story DW: Planet of Giants, was first broadcast.

November

 * 07 - "Dangerous Journey" (DW: Planet of Giants Episode 2) was first broadcast.
 * 12 - DWN: Doctor Who in an Exciting Adventure with the Daleks, a hardback novelisation by David Whitaker of DW: The Daleks and the first-ever Doctor Who tie-in novel, was published in hardcover by Frederick Muller. In 1973, it would be reprinted by Target Books as Doctor Who and the Daleks.
 * 14 - "Crisis" (DW: Planet of Giants Episode 3) was first broadcast.
 * Radio Times again featured a cover story on Doctor Who, this time announcing the much-anticipated return of the Daleks in DW: The Dalek Invasion of Earth.
 * Doctor Who comic strips debut in the 674th issue of TV Comic.
 * 21 - "World's End" (DW: The Dalek Invasion of Earth Episode 1) was first broadcast. For the first time, a Doctor Who episode featured extensive location filming and brought back a previously seen monster. It was also the first story to incorporate widely known London landmarks (despite being set in the future).
 * 28 - "The Daleks" (DW: The Dalek Invasion of Earth Episode 2) was first broadcast.

December

 * Its original 20,000-copy print run already sold out, DWN: Doctor Who in an Exciting Adventure with the Daleks went into a second printing.
 * Doctor Who entered the pop music leagues when a Newcastle girl group called The Go-Go's (no relation to the American group of the 1980s) released the single "I'm Gonna Spend My Christmas With A Dalek". Perhaps coincidentally, the Dalek story underway at this time would run through Christmas.
 * 05 - "Day of Reckoning" (DW: The Dalek Invasion of Earth Episode 3) was first broadcast.
 * 12 - "The End of Tomorrow" (DW: The Dalek Invasion of Earth Episode 4) was first broadcast.
 * 19 - "The Waking Ally" (DW: The Dalek Invasion of Earth Episode 5) was first broadcast.
 * 26 - "Flashpoint" (DW: The Dalek Invasion of Earth Episode 6) was first broadcast. The episode saw the first major cast change, as Carole Ann Ford left the series.

Unknown dates

 * Doctor Who began airing on the Canadian Broadcasting Corporation network in Canada, making its North American debut.