When the comet passed Jupiter in the late 1960s or early 1970s, it happened to be near its aphelion, and found itself slightly within Jupiter's Hill sphere.

When the current bridge was planned in the 1970s, Caltrans conducted extensive environmental research on the aquatic and terrestrial environment.

When compared with the concept map ( which was developed by learning experts in the 1970s ) the structure of a mind map is a similar radial, but is simplified by having one central key word.

When increasing concern within the company over the pricing and availability of fuel during the oil crisis of the 1970s became an issue of contention, smaller engines were considered in the interest of fuel economy.

When Singapore started building its military in the 1970s, the Republic of China on Taiwan was one of the few places to offer assistance by providing training areas to the Singapore Armed Forces ( SAF ) for conducting military exercises.

When introducing the hardware description language KARL in the mid ' 1970s, Reiner Hartenstein coined the term " structured VLSI design " ( originally as " structured LSI design "), echoing Edsger Dijkstra's structured programming approach by procedure nesting to avoid chaotic spaghetti-structured programs.

When the stadium was renovated in the 1970s, 10 rows were added to the top of upper deck, and the support columns were removed.

When Flattop was eventually killed, fans went into public mourning, and The Flattop Story was reprinted in its entirety in DC's series of Oversize Comic Reprints in the 1970s.

When a goal is scored by Feyenoord in their home matches the song I Will Survive, covered by the Hermes House Band, but made famous by Gloria Gaynor in the 1970s is played.

When a new Star Trek series was planned in the late 1970s, Nimoy was to be in only two out of eleven episodes, but when the show was elevated to a feature film, he agreed to reprise his role.

When oil began to gush in West Texas in the early 20th century, and again in the late 1970s, Fort Worth was at the center of the wheeling and dealing.

When the soaring inflation and energy costs threatened the survival of thousands of private apartment buildings in the 1970s, FHA ’ s emergency financing kept cash-strapped properties afloat.

When in Helena, most people visit the local walking mall, completed in the early 1980s after Urban Renewal and the Model Cities Program in the early 1970s had removed many historic buildings from the downtown district, taking nearly a decade to renovate, a three block long shopping district following the original Last Chance Gulch.

When he first reached the world class level in the 1970s, this was relatively unusual, with most elite grandmasters deploying a more narrowly focused range of openings, but it is now the norm.

When Roddenberry produced Star Trek: The Animated Series in the early 1970s, Doohan's ability to perform different voices was used by having him perform most " guest star " male roles in the series, including Robert April, which the show cited as the Enterprise's first captain.

When his character was dismissed from the soap, Frakes moved to Los Angeles, California and played guest spots in many of the top television series of the 1970s and 1980s, including The Waltons, The Dukes of Hazzard, Matlock, and Steven Bochco's Hill Street Blues.

When the network wanted to expand All My Children from 30 minutes to a full hour in the late 1970s, Nixon agreed on the condition that the network would begin saving the episodes.

When British scientists in Antarctica performed airborne ice-penetrating radar surveys in the early 1970s, they detected unusual radar readings at the site which suggested the presence of a liquid, freshwater lake below the ice.

When Disney shut down their shorts department in 1962, Nash continued to voice Donald in various projects over the next two decades, notably performing the song " Macho Duck " on the Mickey Mouse Disco album in the 1970s.

When Interstate 70 was built in the early 1970s, the community's major shopping area became centered near the interchange south of the city.

When black entertainers and sports heroes began moving to Ladera Heights in the 1970s, many other affluent blacks followed suit.

When the school buildings were demolished in the 1970s, the school land was dedicated to City use as Blaylock Park.

When the municipal reform was carried out in the 1970s, Gislaved adapted the still unused coat of arms as the municipal arms.

When Zündel started Samisdat Publishers in the 1970s, he initially catered to the UFOlogy community, which was then at its peak of public acceptance.

When the valley was flooded by the Haditha Dam at Haditha in 1984-85, the Iraqi State Board of Antiquities cut it into sections, and removed it to the new ' Anah where it was re-erected at the end of the 1980s.

When emulators of 1980s video game consoles began to appear on home computers in the late 1990s, the Atari 7800 was one of the last to be emulated.

When direct action came to the fore again in the 1980s, it was generally accepted by the peace movement as a normal part of protest.

When the term first surfaced circa the late 1980s / early 1990s, it was used for adult sports such as skydiving, scuba diving, surfing, rock climbing, snow skiing, water skiing, snowboarding, mountain biking, mountaineering, storm chasing, hang gliding, and bungee jumping, many of which were then growing in popularity.

When early Saint books were republished in the 1960s to the 1980s, it was not uncommon to see freshly written introductions by Charteris apologizing for the out-of-date tone ; according to a Charteris " apology " in a 1969 paperback of Featuring the Saint, he attempted to update some earlier stories when they were reprinted but gave up and let them sit as period pieces.

When it was cleaned in the 1980s, Masaccio's fresco of The Expulsion from the Garden of Eden ( Masaccio ) | The Expulsion ( 1426 – 1427 ) lost the added fig leaves.

When the Internet began to transition to a commercial opportunity during the late 1980s, Cerf moved to MCI where he was instrumental in the development of the first commercial email system ( MCI Mail ) connected to the Internet.

When the Domain Name System was devised, in the 1980s, the domain name space was divided into two main groups of domains.

When the event debuted in the 1980s, the event was a 3 x 10 km team event, but that changed following Japan's successes at the FIS Nordic World Ski Championships 1993 in Falun and the 1994 Winter Olympics in Lillehammer where the country won by almost four minutes and almost five minutes respectively.

When thrash metal began to gain a major following in the mid-to-late 1980s, Anthrax were dubbed one of the " big four " of thrash metal alongside Metallica, Megadeth and Slayer.

When it was republished in the 1980s, a new foreword was added explaining how that history's timeline diverged from ours and led to war.

When the 3rd Yamaguchi-gumi boss ( Kazuo Taoka ) died in the early 1980s, his wife ( Fumiko ) took over as boss of Yamaguchi-gumi, albeit for a short time.

" When it reached the coasts of other European countries in the 1980s Afrika Bambaataa was the man behind it, and when he came to France he was overwhelmed by the great importance of black culture coming from Africa and the Caribbean.

When he hosted Saturday Night Live in the 1980s, Eddie Murphy called him " Opie Cunningham ".

The band became an international act in the late 1980s, when they released their breakthrough album Slippery When Wet.

In this position, Ben-Gurion played a major role in the 1948 Arab – Israeli War When the IDF archives and others were opened in the late 1980s, scholars started to reconsider the events and the role of Ben-Gurion.

When the 1980s episodes were made, title cards were also made for the 1960s episodes, which explains the appearance of Orbitty in the title cards of the 1960s episodes.

When discovered in the early 1980s, it was found that even the concrete columns were so riddled with bugs that the building eventually had to be torn down and replaced with a new one, built with U. S. materials and labor.

When Paul Eddington visited Australia during the 1980s, he was treated as a visiting British PM by the then Australian leader, Bob Hawke, who was obviously a great fan of the show.

When MGM ( which acquired the rights to United Artists's catalog after its demise ) released Heaven's Gate on VHS and videodisc in the 1980s, it released Cimino's 219-minute cut with the tagline " Heaven's Gate … The Legendary Uncut Version.

When the roundabout facing the Rotherhithe Tunnel was redeveloped in the early 1980s, several nineteenth century buildings were demolished including a school and a nunnery.

When the bottom fell out of the oil industry in the early 1980s because of cheaper foreign product and dwindling local resources, Houma fell with it.