B: Margaeli
A: Apollo 9 Launch
B: Giovanni Schiaparelli
B: Mike Resnick
B: Elizabeth Moon
B: Stanley Schmidt
A: Discovery of Uranus' Rings
A: Sputnik 9 Launch
B: Patterner
B: F.M. Busby
B: Douglas Adams
B: Urbain Leverrier
B: Harry Harrison
B: L. Ron Hubbard
B: Percival Lowell
A: Discovery of Uranus
B: Albert Einstein
M: Daylight Saving Time (US)
A: Gemini 8 Launch
A: First Liquid Fuel Rocket Launch
A: Vanguard 1 Launch
B: James Morrow
B: REGENTIC
B: RAWoodward
M: International Earth Day
M: Vernal Equinox
B: SciFiDog
B: H. Beam Piper
B: Kim Stanley Robinson
B: Pierre Laplace
A: Sputnik 10 Launch
A: Mariner 7 Launch
M: Daylight Saving Time (Europe)
A: Mariner 10 Launch
A: Luna 10 Launch
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