1969

January

 * 30 - Ace prevents the assassination of John Lennon on the roof of the Apple Records building. Huitzilin had hoped to feed upon the psychic energy released by the violence ("The Left-Handed Hummingbird").

May

 * 18 - "Revolution Man" (conclusion)

August

 * 9 - 10 - Followers of Charles Manson murder actress Sharon Tate and others in what becomes known as the Helter Skelter killings. The Doctor theorizes Huitzilin influenced the killings after his plot to have John Lennon killed in London failed ("The Left-Handed Hummingbird").


 * 15 - 17 - The Woodstock Music Festival is held in Bethel, New York. The Doctor attends the festival on two different occasions, in two different incarnations ("The Left-Handed Hummingbird").

Unknown date

 * After serving many years in prison for war crimes, Oskar Steinmann is released due to health problems ("Just War").

January

 * 04 - The Krotons Episode 2 First Broadcast


 * 11 - The Krotons Episode 3 First Broadcast


 * 18 - The Krotons Episode 4 First Broadcast


 * 25 - The Seeds of Death Episode 1 First Broadcast

February

 * 01 - The Seeds of Death Episode 2 First Broadcast


 * 08 - The Seeds of Death Episode 3 First Broadcast


 * 15 - The Seeds of Death Episode 4 First Broadcast


 * 22 - The Seeds of Death Episode 5 First Broadcast

March

 * 01 - The Seeds of Death Episode 6 First Broadcast


 * 08 - The Space Pirates Episode 1 First Broadcast


 * 15 - The Space Pirates Episode 2 First Broadcast


 * 22 - The Space Pirates Episode 3 First Broadcast


 * 29 - The Space Pirates Episode 4 First Broadcast

April

 * 05 - The Space Pirates Episode 5 First Broadcast


 * 12 - The Space Pirates Episode 6 First Broadcast


 * 19 - The War Games Episode 1 First Broadcast


 * 26 - The War Games Episode 2 First Broadcast

May

 * 03 - The War Games Episode 3 First Broadcast


 * 10 - The War Games Episode 4 First Broadcast


 * 17 - The War Games Episode 5 First Broadcast


 * 24 - The War Games Episode 6 First Broadcast


 * 31 - The War Games Episode 7 First Broadcast

June

 * 07 - The War Games Episode 8 First Broadcast


 * 14 - The War Games Episode 9 First Broadcast


 * 21 - The War Games Episode 10 First Broadcast

August

 * 26 - Martin Miller, who played Kublai Khan in "Marco Polo," dies from a heart attack in Austria.