1178 Five Canterbury monks see what is possibly the Giordano Bruno crater being formed. It is believed that the current oscillations of the Moon's distance from the Earth (on the order of metres) are a result of this collision.
1492 The Ensisheim Meteorite, the oldest meteorite with a known date of impact, strikes the earth around noon in a wheat field outside the village of Ensisheim, Alsace, France.
1633 The Holy Office in Rome forces Galileo Galilei to recant his view that the Sun, not the Earth, is the center of the Universe.
1633 Galileo Galilei is tried before the Congregation for the Doctrine of the Faith for teaching that the Earth orbits the Sun.
1770 Lexell's Comet passed closer to the Earth than any other comet in recorded history, approaching to a distance of 0.0146 a.u.
1910 The Earth passes through the tail of Comet Halley.
1957 Project Vanguard: A launchpad explosion of Vanguard TV3 thwarts the first United States attempt to launch a satellite into Earth orbit.
1958 Sputnik 1 falls to Earth from its orbit.
1958 The Explorer 2 spacecraft launches and fails to reach Earth orbit.
1958 Pioneer program: NASA launches the lunar probe Pioneer 1 (the probe falls back to Earth and burns up).
1959 Vanguard 3 is launched into Earth orbit.
1960 The nuclear submarine {{USS|Triton|SSRN-586|6}} completes Operation Sandblast, the first underwater circumnavigation of the earth.
1961 Venera program: ''Venera 1'' becomes the first man-made object to fly-by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
1961 Project Mercury: Mercury-Atlas 5 Mission – Enos, a chimpanzee, is launched into space. The spacecraft orbited the Earth twice and splashed-down off the coast of Puerto Rico.
1962 Mercury program: While aboard Friendship 7, John Glenn becomes the first American to orbit the earth, making three orbits in 4 hours, 55 minutes.
1962 Project Mercury: American astronaut Scott Carpenter orbits the Earth three times in the ''Aurora 7'' space capsule.
1968 The Soviet ''Zond 5'' spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth's atmosphere.
1968 Apollo program: ''Apollo 7'' safely splashes down in the Atlantic Ocean after orbiting the Earth 163 times.
1969 Apollo program: Apollo 9 returns safely to Earth after testing the Lunar Module.
1969 Apollo program: Apollo 10 returns to Earth after a successful eight-day test of all the components needed for the forthcoming first manned moon landing.
1970 Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit.
1970 Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely.
1971 Apollo program: Apollo 14 returns to Earth after the third manned moon landing.
1972 Apollo program: The last manned lunar flight, ''Apollo 17'', crewed by Eugene Cernan, Ron Evans and Harrison Schmitt, returns to Earth.
1974 After 84 days in space, the crew of the first American space station Skylab returns to Earth.
1975 The Soyuz 17 Soviet spacecraft returns to Earth.
1992 Cosmonaut Sergei Krikalev returns to Earth after a 10-month stay aboard the Mir space station.
1997 The Comet Hale-Bopp has its closest approach to Earth.
1999 Bertrand Piccard and Brian Jones become the first to circumnavigate the Earth in a hot air balloon.
2000 The Tagish Lake meteorite impacts the Earth.
2000 A powerful solar flare, later named the Bastille Day event, causes a geomagnetic storm on Earth.
2002 The Envisat environmental satellite successfully reaches an orbit 800 kilometers (500 miles) above the Earth on its 11th launch, carrying the heaviest payload to date at 8500 kilograms (9.5 tons).
2002 Near-Earth asteroid 2002 MN misses the Earth by {{convert|75000|mi|km}}, about one-third of the distance between the Earth and the Moon.
2004 The asteroid 4179 Toutatis passes within four lunar distances of Earth.
2004 Radiation from an explosion on the magnetar SGR 1806-20 reaches Earth. It is the brightest extrasolar event known to have been witnessed on the planet.
2006 Asteroid 2004 XP14 flies within {{convert|432308|km|mi}} of Earth.