* 1983 – During STS-6, astronauts Story Musgrave and Don Peterson perform the first space shuttle spacewalk.

During the Gemini 4 mission, White became the first American astronaut to perform a spacewalk.

During STS-87, she was responsible for deploying the Spartan Satellite which malfunctioned, necessitating a spacewalk by Winston Scott and Takao Doi to capture the satellite.

During the spacewalk, he completed the replacement of the Nitrogen Tank Assembly on the P1 truss of the International Space Station, and installed trunnion covers on the Columbus module.

During that mission he performed three spacewalks, becoming the third Canadian to perform a spacewalk and setting a Canadian record for total number of spacewalks.

During his final spaceflight he participated in a spacewalk, becoming the first European Space Agency astronaut to do so during a Space Shuttle mission ( previous ESA astronauts conducted spacewalks aboard Mir, see List of spacewalks and moonwalks 1965 – 1999 ).

During this mission Nicollier participated in an 8 hour spacewalk ; it was his first, and the first of any ESA astronaut during a Space Shuttle mission.

During a 7 hour, 21 minute Flight Day 5 spacewalk, astronauts Jerry Ross and Jim Newman helped activate the Unity node, the first module to the U. S. segment of the International Space Station.

During the fourth spacewalk, astronauts Wisoff and López-Alegría tested the SAFER jet backpack, flying up to 50 feet while remaining tethered to the spacecraft.

During this mission, astronaut Chris Hadfield made the first spacewalk by a Canadian.

During the spacewalk, the two cosmonauts installed MCSA cables.

During this flight he logged 6 hours and 51 minutes of EVA to test a self-rescue jetpack, undertook the first untethered spacewalk in 10 years and deployed and retrieved a solar science satellite.

During his stay aboard Space Station Mir, Linenger became the first American to conduct a spacewalk from a foreign space station and in a non-American made spacesuit.

During their second spacewalk they replaced the old Faint Object Camera with the state-of-the-art Advanced Camera for Surveys, expected to produce a tenfold increase in Hubble's capability.

During the spacewalk, the two cosmonauts removed the Mir cooperative solar array ( MCSA ) from its stowed position on the exterior of the docking module at the base of the Kristall module.

During the spacewalk, Onufrienko and Bursch installed six deflector shields for the Zvezda Service Module's jet thrusters.

During the IVA-commanded re-deploy of the solar array, several array panels snagged and were damaged, requiring an unplanned spacewalk to successfully repair the array.

During the spacewalk the two spacewalkers removed six obsolete laser reflectors used for docking and replaced four of them with more newer versions.

During the 12 minute spacewalk the two crew members moved a docking mechanism to accommodate the MRM-2.

During the spacewalk, the space station's stabilizing gyroscopes repeatedly became overloaded with a mysterious torque, and they had to be relieved periodically by firing rocket thrusters located on the Russian half of the ISS.

During this spacewalk, Sharipov and Chiao deployed a small Russian experiment called Nanosatellite.

During the five-day mission his primary task was to assist in the deployment of the Chandra X-Ray Observatory, and to conduct a spacewalk if needed.

During the 5 hours, 22 minutes spacewalk, He and NASA astronaut William McArthur installed a new camera assembly and jettisoned the Floating Potential Probe.

During the spacewalk, Tokarev and McArthur relocated a boom adapter for the Strela, a Russian hand-operated crane, from the Zarya module to Pressurized Mating Adapter 3.

During Mir-21 Onufriyenko performed numerous research experiments including Protein crystal growth experiments experiments in materials science using high temperature melting oven " Optizon ".

During a 6-1 / 2 month stay aboard the ISS, the 3 member Expedition 4 crew ( Onufriyenko and NASA astronauts Daniel W. Bursch and Carl E. Walz ) performed flight tests of the station hardware, conducted internal and external maintenance tasks, and developed the capability of the station to support the addition of science experiments.

During the spacewalk, Usachov and Onufriyenko installed the Rapana truss structure ( an experiment mounting point ) to the Kvant-1 module.

During the 19-minute spacewalk which ended at 9: 40 a. m. CDT, Usachov and Voss moved a docking cone from storage and using a rotating handle, installed it in the lower port hatch.

During the night, a phone company technician had deadened the bells and installed red blinkers on the phones.

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

During this time, Gregory of Cappadocia was installed as the Patriarch of Alexandria, usurping the absent Athanasius.

During July, 1887, he conducted successful tests on the Atlantic telegraph cable between Weston-super-Mare and Waterville, Nova Scotia operated by the Commercial Company, with a double Baudot installed in duplex, the Baudot transmitters and receivers substituted for the recorder.

During the Polish – Muscovite War ( 1605 – 1618 ), Polish – Lithuanian forces reached Moscow and installed the impostor False Dmitriy I in 1605, then supported False Dmitry II in 1607.

During this period, public health authorities began pressing for better waste disposal systems to be installed, to prevent or control epidemics of disease.

During the Bash Street makeover, Smiffy had a new brain installed in his head, which made him the smartest kid of all the others.

During the Persian occupation, a local leadership was installed at Xanthos, which by 520 BC was already minting its own coins.

During the First World War, Monsieur Gaston Menier, owner of Chenonceau, installed at his own expense a hospital whose different services occupied all of the Château's rooms.

During that year, an execution chamber was installed at MSP.

During late 1981 the track to the Apsley River at Riverside was improved and Elcom installed a river gauging station.

During the summer of 1894, the Towson Water Company laid wooden pipes and installed fire hydrants that were connected to an artesian well near Aigburth Vale.

During the height of the Cold War, in 1954, the U. S. Army installed an Ajax-Nike missile base at the airfield which was functional until it was decommissioned in 1963.

During the Nazi era ( 1933 – 1945 ), mayors were installed by the Nazi Party.

' During her childhood, one of her mother's acquaintances ( possibly brief lover ), Monsieur Billard-Dumonceaux, and possibly father of Jeanne's half-brother Claude ( who died in infancy when only ten months old ) took both Anne and three-year-old Jeanne into his care when they traveled from Vaucouleurs to Paris and installed Anne as a cook in his Italian mistress ' household.

During a brief respite provided by the civil war between Ashurbanipal and his own brother Shamash-shum-ukin whom their father Esarhaddon had installed as the vassal king of Babylon, the Elamites too indulged in fighting among themselves, so weakening the Elamite kingdom that in 646 BC Ashurbanipal devastated Susiana with ease, and sacked Susa.

During this time, the castle's military role became increasingly important, a powder magazine being built in the castle gardens, and a formal garrison installed from 1685.

During the Quit India Movement of 1942, Ballia district overthrew the colonial authority and installed an independent administration under Chittu Pandey.

During the initial period of inhabitation a special, government appointed officer is installed, who is called Landdrost.

During the same war and after the capitulation of the Spartans besieged in Sphacteria, the Athenians installed a garrison in Pylos composed of Messenians from Naupactus.

During the Dark Ages following the fall of the Roman Empire, plumbing development virtually ceased for centuries except for isolated cases of plumbing installed in palaces and castles.

During the 1980s, a network of weather stations were installed to record temperatures on the shelf as well as throughout the more remote parts of the continent.

During this time, DynCorp operated missile test ranges for United States Department of Defense, developed vaccines for the National Institutes of Health, and installed security systems in U. S. embassies for the State Department.

During the 1997 refurbishment, a 30th anniversary plaque and decorative fountain were installed against the back wall of the courtyard.

During the 1960s and 1970s GMD Mueller installed more than hundred fixed-grip chairlifts in North America.