January 1969
- 7 January 1969YesRadioBBC session for Top Gear (John Peel) at Maida Vale: "Dear Father", "Everydays", "Sweetness", "Something's Coming", "Every Little Thing"
- 12 January 1969YesRadioTop Gear session first broadcast (BBC Radio 1)
February 1969
- 11 February 1969YesRecordingDemo recording at Polydor Studios
April 1969
- 16 April 1969YesRecordingStart of sessions for the first album (Advision; Trident on 22 Apr), producer Paul Clay
- 25 April 1969YesGigGolden Rose festival, Montreux Casino
- 30 April 1969YesRecordingMixing and recording for the first album begins (Advision, then IBC), running to 9 May
June 1969
- 4 June 1969YesRadioBBC session for the Johnnie Walker show: "Looking Around", "Sweetness", "Every Little Thing"
- 14 June 1969YesRadioJohnnie Walker session broadcast
July 1969
- 4 July 1969YesReleaseUK debut single: "Sweetness" / "Something's Coming" (Atlantic 584 280)
- 25 July 1969YesReleaseUK debut LP: Yes (Atlantic 588 190)
August 1969
- 3 August 1969YesRadioBBC session for the Stuart Henry show: "Then", "Beyond And Before", "No Opportunity Necessary…"
- 4 August 1969YesRadioBBC session for Symonds on Sunday: "Every Little Thing", "Everydays", "Looking Around", "Sweetness", "Something's Coming"
- 9 August 1969YesGigNinth National Jazz & Blues Festival, Plumpton
- 10 August 1969YesRadioSymonds on Sunday and Stuart Henry sessions broadcast
- 20 August 1969YesGigStar Club, Hamburg (20–21 Aug), the start of a German, Dutch and Belgian run ending at the Blow-Up, Munich (to 7 Sep)
October 1969
- 15 October 1969YesReleaseUS release of Yes (Atlantic)
- 22 October 1969YesTVTV: Beat-Club, Bremen (recorded): "No Opportunity Necessary…", "Looking Around", "Survival".
- 27 October 1969YesGigActuel festival, Amougies, Belgium