I haven't gotten around to doing research for 2010, 2015 and 2020.
Maybe in due time, along with collages.
January
14: Rush - Permanent Waves (1980)
20: Bob Dylan - Blood on the Tracks (1975)
24: Stackridge - Extravaganza (1975)
24: The Black Crowes - Shake Your Money Maker (1990)
24: Van Halen - Balance (1995)
25: Pat Metheny - The Way Up (2005)
26: Chicago - Chicago II (1970)
26: Simon and Garfunkel - Bridge Over Troubled Water (1970)
27: Sculptured - Apollo Ends (2000)
28: Spiral Architect - A Skeptics Universe (2000)
29: Fish - Vigil in the Wilderness of Mirrors (1990)
Porcupine Tree - The Sky Moves Sideways (1995)
Spock's Beard - The Light (1995)
February
1: Peter Hamill - Nadir's Big Chance (1975)
1: Bend Sinister - Through the Broken City (2005)
4: God is an Astronaut - All Is Violent All Is Bright (2005)
7: Karnivool - Themata (2005)
8: Kevin Gilbert - The Shaming of the True (2000)
8: People For Audio - And This Will Be Our Homecoming (2005)
11: The Mars Volta - Frances the Mute (Japan) (2005)
13: Black Sabbath - Black Sabbath (1970)
14: The Who - Live at Leeds (1970)
14: Rush - Fly By Night (1975)
14: Bloc Party - Silent Alarm (2005)
15: Mike Rutherford - Smallcreep's Day (1980)
16: Death - Spiritual Healing (1990)
22: Call Florence Pow - These Are the Plans...(2000)
22: Josh Rouse - Nashville (2005)
24: Led Zeppelin - Physical Graffiti (1975)
25: Tears for Fears - Songs from the Big Chair (1985)
28: Van Morrison - Moondance (1970)
28: Eric Johnson - Ah Via Musicom (1990)
29: Steve Stevens - Flamenco A Go-Go (2000)
Ambrosia - Ambrosia (1975)
Kansas - Song for America (1975)
Mahavishnu Orchestra - Visions of the Emerald Beyond (1975)
Return to Forever featuring Chick Corea - No Mystery (1975)
March
1: Steely Dan - Katy Lied (1975)
7: David Bowie - Young Americans (1975)
7: Echolyn - As the World (1995)
8: Kaddisfly - Buy Our Intention; We'll Buy You a Unicorn (2005)
10: Billy Joel - Glass Houses (1980)
11: Crosby Stills Nash and Young - Dejavu (1970)
11: 10cc - The Original Soundtrack (1975)
13: Howard Jones - Dream Into Action (1985)
19: Depeche Mode - Violator (1990)
21: Death - Symbolic (1995)
21: Kevin Gilbert - Thud (1995)
21: The Tea Party - The Edges of Twilight (1995)
21: Transatlantic - SMPT:e (2000)
22: Soft Machine - Bundles (1975)
22: The Decemberists - Picaresque (2005)
25: The Power Station - The Power Station (1985)
24: Genesis - Duke (1980)
26: Van Halen - Women and Children First (1980)
27: Rick Wakeman - The Myths and Legends of King Arthur and the Knights of the Round Table (1975)
28: Faith No More - King for a Day, Fool for a Lifetime (1995)
28: Porcupine Tree - Deadwing (2005)
29: Jeff Beck - Blow by Blow (1975)
30: Miles Davis - Bitches Brew (1970)
Ten Years After - Cricklewood Green (1970)
April
1: Journey - Journey (1975)
1: The Dukes of Stratosphear - 25 O'clock (1985)
3: King Crimson - Thrak (1995)
3: Doves - Lost Souls (2000)
4: Pavlov's Dog - Pampered Menial (1975)
10: Public Enemy - Fear of a Black Planet (1990)
11: Steve Hillage - Fish Rising (1975)
20: Jethro Tull - Benefit (1970)
21: Abba - Abba (1975)
22: Prince - Around the World in a Day (1985)
25: Camel - The Snow Goose (1975)
25: Black Sabbath - Heaven and Hell (1980)
25: Klimt 1918 - Dopoguerra (2005)
26: The Receiving End of Sirens - Between the Heart and the Synapse (2005)
26: Time of Orchids - Sarcast While (2005)
Margot and the Nuclear So & So's - The Dust of Retreat (2005)
sElf - Porno, Mint & Crime (2005)
May
2: Human Radio - Human Radio (1990)
3: King Crimson - USA (1975)
4: Mew - Half the World is Watching (2000)
5: King Crimson - In the Wake of Poseidon (1970)
8: The Beatles - Let It Be (1970)
9: Hawkwind - Warrior on the Edge of Time (1975)
10: Al Di Meola - Splendido Hotel (1980)
17: System of a Down - Mezmerize (2005)
19: Elton John - Captain Fantastic and the Brown Dirt Cowboy (1975)
22: King's X - Please Come Home Mr.Bulbous (2000)
23: Peter Gabriel - Peter Gabriel [3/Melt] (1980)
23: Shaman - Reason (2005)
24: Gospel - The Moon Is a Dead World (2005)
June
1: a-ha - Hunting High and Low (1985)
1: Sting - Dream of the Blue Turtles (1985)
3: Deep Purple - Deep Purple in Rock (1970)
6: Soft Machine - Third (1970)
6: Ulver - Blood Inside (2005)
7: Avenged Sevenfold - City of Evil (2005)
7: Dream Theater - Octavarium (2005)
7: Shadow Gallery - Room V (2005)
10: The Eagles - One of These Nights (1975)
17: Marillion - Misplaced Childhood (1985)
20: Neil Young - Tonight's the Night (1975)
20: Galactic Cowboys - Let It Go (2000)
21: dredg - Catch Without Arms (2005)
21: Subterranean Masquerade - Suspended Animation Dreams (2005)
24: Marillion - Afraid of Sunlight (1995)
27: The Chap - Ham (2005)
25: Frank Zappa - One Size Fits All (1975)
28: Toy Matinee - Toy Matinee (1990)
30: Queen - The Game (1980)
Michael Nesmith and the First National Band - Magnetic South (1970)
Fairport Convention - Rising for the Moon (1975)
Renaissance - Scheherazade and Other Stories (1975)
July
4: The Flower Kings - Space Revolver (2000)
5: Sufjan Stevens - Illinois (2005)
8: Various Artists - Back to the Future Soundtrack (1985)
11: Fleetwood Mac - Fleetwood Mac (1975)
11: Ultravox - Vienna (1980)
11: Shadow Gallery - Carved in Stone (1995)
11: Porcupine Tree - Lightbulb Sun (2000)
12: The Ebb & Flow - Time to Echolocate (2005)
17: Stanley Clarke, Al Di Meola and Jean-Luc Ponty - Rite of Strings (1995)
18: Imogen Heap - Speak for Yourself (2005)
24: Yes - Time and a Word (1970)
25: Caravan - Cunning Stuns (1975)
25: Fates Warning - Disconnected (2000)
26: Veda - The Weight of an Empty Room (2005)
28: Black Sabbath - Sabotage (1975)
Glen Campbell - Rhinestone Cowboy (1975)
August
3: The Beatles - Help! (1965)
7: Jellyfish - Bellybutton (1990)
15: White Willow - Sacrament (2000)
16: Aviatic - Arrival (2005)
18: Daryl Hall and John Oates - Daryl Hall and John Oates (1975)
18: Yes - Drama (1980)
20: Queensryche - Empire (1990)
21: Jane's Addiction - Ritual de lo Habitual (1990)
22: Gentle Giant - Free Hand (1975)
22: The Gathering - Mandylion (1995)
22: Spock's Beard - V (2000)
23: Greg Herriges - It Plays Me (2005)
23: Minus the Bear - Menos el Oso (2005)
23: Neverending White Lights - Act I: Goodbye Friends of the Heavenly Bodies (2005)
23: The New Pornographers - Twin Cinema (2005)
25: Bruce Springsteen - Born to Run (1975)
27: Donna Summer - Love to Love You Baby (1975)
30: Opeth - Ghost Reveries (2005)
Miles Davis - Agharta (1975)
Kool and the Gang - Spirit of the Boogie (1975)
September
1: The Brecker Brothers - The Brecker Bros. (1975)
1: Electric Light Orchestra - Face the Music (1975)
3: George Michael - Listen Without Prejudice Vol. 1 (1990)
4: Rush - Chronicles (1990)
5: Jethro Tull - Minstrel in the Gallery (1975)
5: sElf - Gizmodgery (2000)
6: Between the Buried and Me - Alaska (2005)
12: Pink Floyd - Wish You Were Here (1975)
12: At the Drive-In - Relationship of Command (2000)
12: VAST - Music for People (2000)
13: Sheena Ringo - 勝訴ストリップ (Shōso Strip) (2000)
13: Sigur Ros - Takk...(2005)
14: Supertramp - Crisis? What Crisis? (1975)
15: Foghat - Fool for the City (1975)
16: Kate Bush - Hounds of Love (1985)
18: Black Sabbath - Paranoid (1970)
19: Dream Theater - A Change of Seasons [EP] (1995)
19: Oceansize - Everyone Into Position (2005)
19: Mew - And the Glass Handed Kites (2005)
20: Kansas - Masque (1975)
20: Coheed and Cambria - Good Apollo I'm Burning Star IV: Volume One: From Fear Through the Eyes of Madness (2005)
23: Santana - Abraxas (1970)
24: Rush - Caress of Steel (1975)
24: Megadeth - Rust in Peace (1990)
25: INXS - X (1990)
27: Gojira - From Mars to Sirius (2005)
27: King's X - Ogre Tones (2005)
27: Wolf Parade - Apologies to the Queen Mary (2005)
Heart - Dreamboat Annie (1975) (UK)
October
2: Pink Floyd - Atom Heart Mother (1970)
3: The Who - The Who By Numbers (1975)
3: The Police - Zenyatta Mondatta (1980)
3: Enchant - Juggling Nine or Dropping Ten (2000)
4: Broken Social Scene - Broken Social Scene (2005)
5: Led Zeppelin - Led Zeppelin III (1970)
5: Mike + the Mechanics - Mike + the Mechanics (1985)
8: Talking Heads - Remain in Light (1980)
9: Godspeed You! Black Emperor - Lift Yr Skinny Fists Like Antennas to Heaven! (2000)
10: Tears for Fears - Raoul and the Kings of Spain (1995)
10: Pure Reason Revolution - Cautionary Tales for the Brave (2005)
11: Kiss Kiss - Kiss Kiss (2005)
14: INXS - Listen Like Thieves (1985)
15: Rush - Power Windows (1985)
15: Opeth - Orchid (1995)
17: Bruce Springsteen - The River (1980)
17: Saigon Kick - Devil in the Details (1995)
17: Burst - Origo (2005)
20: U2 - Boy (1980)
23: Genesis - Trespass (1970)
23: King's X - Faith Hope Love (1990)
24: Roxy Music - Siren (1975)
24: Savatage - Dead Winter Dead (1995)
24: sElf - Subliminal Plastic Motives (1995)
27: Hawkwind - Levitation (1980)
30: U2 - All That You Can't Leave Behind (2000)
31: Steve Howe - Beginnings (1975)
31: Pain of Salvation - The Perfect Element I (2000)
Steve Hackett - Voyage of the Acolyte (1975)
Nektar - Recycled (1975)
Fates Warning - The Spectre Within (1985)
November
1: Michael Nesmith and the First National Band - Loose Salute (1970)
1: The Alan Parsons Project - The Turn of a Friendly Card (1980)
6: Queen - Made in Heaven (1995)
7: Chris Squire - Fish Out of Water (1975)
8: Paulson - All At Once (2005)
9: Badfinger - No Dice (1970)
9: Derek and the Dominoes - Layla and Other Assorted Love Songs (1970)
10: Supertramp - Crisis? What Crisis? (1975)
12: Queen - A Night at the Opera (1975)
14: Chroma Key - You Go Now (2000)
17: John Lennon and Yoko Ono - Double Fantasy (1980)
20: Emerson Lake and Palmer - Emerson Lake and Palmer (1970)
22: System of a Down - Hypnotize (2005)
26: Psychotic Waltz - A Social Grace (1990)
27: Gentle Giant - Gentle Giant (1970)
28: The New Pornographers - Mass Romantic (2000)
30: George Harrison - All Things Must Pass (1970)
Robert Palmer - Riptide (1985)
December
1: Styx - Equinox (1975)
1: I Can't Believe It's Not Rock - I Can't Believe It's Not Rock (2000)
3: The Beatles - Rubber Soul (1965)
11: King Crimson - Lizard (1970)
No Month or Date Found
Gypsy - Gypsy (1970)
Electromagnets - Electromagnets (1975)
White Willow - Ignis Fatuus (1995) (Spring)
Cloud Cult - Who Killed Puck? (2000)
Klimt 1918 - Secession Makes Modern Music (2000)