Editing Arrow Dynamics (section)

==Milestones==
[[Image:Magnum1 CP.JPG|thumb|right|[[Magnum XL-200]], the first roller coaster in the world to pass the 200 ft mark.]]
*1959: The first tubular steel track coaster, [[Matterhorn Bobsleds]], at [[Disneyland]]<ref name="Roller Coaster History Timeline"/>
*1963: The first [[Log flume (ride)|Log Flume]], [[El Aserradero]] at [[Six Flags Over Texas]]
*1966: The first [[mine train roller coaster]], featuring the first underwater tunnel, the [[Runaway Mine Train (Six Flags Over Texas)|Runaway Mine Train]] at [[Six Flags Over Texas]]<ref name=ultRCminetrain/>
*1975: The first modern inverting coaster, [[Corkscrew (Silverwood)|Corkscrew]], at [[Knott's Berry Farm]]<ref name="Roller Coaster History Timeline"/>
*1976: The first coaster with 3 inversions, [[Corkscrew (Cedar Point)|Corkscrew]] at [[Cedar Point]]
*1977: The first coaster with consecutive vertical loops, [[Double Loop (Geauga Lake)|Double Loop]], at [[Geauga Lake (amusement park)|Geauga Lake]]<ref name=DblLoop/>
*1978: The first [[Interlocking loops#Interlocking loops|interlocking loops]], [[Loch Ness Monster (roller coaster)|Loch Ness Monster]] at [[Busch Gardens Williamsburg]]
*1980: The first coaster with 4 inversions, [[Carolina Cyclone]] at [[Carowinds]]
*1981: The first modern [[Suspended roller coaster|suspended]] coaster, [[The Bat (Kings Island; opened 1981)|The Bat]], at [[Kings Island]]<ref name="Roller Coaster History Timeline"/>
*1982: The first coaster with 5 inversions, [[Viper (Darien Lake)|Viper]] at [[Six Flags Darien Lake]]
*1983: The first and only [[Roller coaster elements#Bowtie|bowtie]] element. Record-breaking lift hill requiring two lift chains, [[Dragon Mountain]], at [[Marineland of Canada]]
*1984: The first successful suspended coaster, [[XLR-8]] at [[Six Flags Astroworld]] and [[Big Bad Wolf (roller coaster)|Big Bad Wolf]] at [[Busch Gardens Williamsburg]]
*1987: The first coaster with six inversions, [[Vortex (Kings Island)|Vortex]] at [[Kings Island]]
*1988: The first coaster with seven inversions, [[Shockwave (Six Flags Great America)|Shockwave]] at [[Six Flags Great America]]
*1989: The first "[[hypercoaster]]," [[Magnum XL-200]], at [[Cedar Point]]<ref name="Roller Coaster History Timeline"/>
*1990: The first suspended coaster to go underground, [[Vampire (roller coaster)|Vampire]] at [[Chessington World of Adventures]]
*1991: The first looping coaster to feature an underwater tunnel, [[Anaconda (Kings Dominion)|Anaconda]] at [[Kings Dominion]]
*1991: The world's fastest roller coaster, [[Phantom's Revenge|Steel Phantom]], opened at [[Kennywood]]
*1993: The first roller coaster to feature three consecutive corkscrews, Fantasia Special at Fantasia
*1994: World's tallest and steepest coaster, [[Pepsi Max Big One|The Big One]] at [[Blackpool Pleasure Beach]] in Great Britain
*2002: Designed the steel supporting structure for the [[Olympic Flame#Cauldron|Olympic Cauldron]] used at the [[2002 Winter Olympic Games]] in Salt Lake City
*2002: The first [[Fourth-dimension roller coaster|4th dimension coaster]], [[X2 (roller coaster)|X]], at [[Six Flags Magic Mountain]]<ref name="Roller Coaster History Timeline"/>