Gygax left Guidon Games in 1973 and, with Don Kaye as a partner, founded the publishing company Tactical Studies Rules ( later known as TSR, Inc .) in October.

When Gary Gygax could not find an established games company willing to publish Dungeons & Dragons, the new type of game he and Dave Arneson were co-developing, Gygax and Don Kaye formed Tactical Studies Rules in October 1973.

Tactical Studies Rules ( TSR ) was formed in 1973 as a partnership between Gary Gygax and Don Kaye, who scraped together $ 2, 400 for startup costs, to formally publish and sell the rules of Dungeons & Dragons, one of the first modern role-playing games ( RPG ).

* 1973 – Richard Reid, English terrorist, attempted the 2001 shoe bomb plot

The Tanquetazo was a failed military coup d ' état attempted against Allende in June 1973.

In 1973, Jan and Dean made an appearance at the Hollywood Palladium, as part of Jim Pewter's " Surfer's Stomp " reunion, in which the duo attempted to lip sync " Surf City ," and the record failed.

Between 1973 and 1977, Shakur was indicted in relation to six other alleged criminal incidents — charged with murder, attempted murder, armed robbery, bank robbery, and kidnapping — resulting in three acquittals and three dismissals.

Shakur was charged with two bank robberies, the kidnapping of a Brooklyn heroin dealer, attempted murder of two Queens police officers stemming from a January 23, 1973 failed ambush, and eight other felonies related to the Turnpike shootout.

The signing of the Paris Peace Accords in March 1973 failed to end the fighting in South Vietnam, as both sides immediately violated the cease-fire and attempted to make territorial gains, resulting in large battles.

* Mars 4 – 21 July 1973 – Mars flyby ( attempted Mars orbiter )

* Mars 6 – 5 August 1973 – Mars orbiter and attempted lander ( failed due to damage on Mars landing )

* Mars 7 – 9 August 1973 – Mars flyby and attempted lander ( missed Mars )

Five satellite launches were attempted between 1970 and 1973, of which the last two failed.

In 1973, Davies attempted suicide by overdose following the breakup of his first marriage ; he was later diagnosed with bipolar disorder.

On 23 August 1973 Jan-Erik " Janne " Olsson, on leave from prison, went into Kreditbanken ( now part of Nordea ) at Norrmalmstorg, central Stockholm and attempted to hold up the bank.

( Scheming, vindictive Charlotte was murdered by Kit in 1973, and then Kit herself was shot by Joe Werner in self-defense in 1974, after she had attempted to poison Sara McEntire.

By the spring and summer of 1973, these opposition groups attempted to persuade Congress to endorse a Trans-Canada oil pipeline or a railroad.

Project Land Lease ( introduced in 1973 ), attempted an integrated rural development approach, providing tens of thousands of small farmers with land, technical advice, inputs such as fertilizers and access to credit.

During the last of these attempted coups, in 1973, he would be executed at age 42.

In 1973 the American Psychiatric Association reversed its position on homosexuality by declaring that it was not a mental disorder and thus not properly subject to cure, and in 1976 Ellis clarified his earlier views in Sex and the Liberated Man, expounding that some homosexual disturbed behaviors may be subject to treatment but, in most cases, that should not be attempted as homosexuality is not inherently good or evil, except from a religious viewpoint ( See " Albert Ellis and religion ", below ).

Fatah controlled the heart of Sidon and the port and had attempted to fund the electoral campaigns of competing candidates which eventually saw Saad lose both his bid for a parliamentary seat and then in 1973, lose the mayor-ship.

In the years after the confusion of the Woodstock Festival, the crowd-control debacle of the Altamont Free Concert in 1969, and the massive traffic jam that was Summer Jam at Watkins Glen Raceway in 1973 ( crowd estimated at 600, 000 ), most festivals attempted in the United States were small-scale affairs, usually centered around a humanitarian cause.

They unsuccessfully attempted to open a bookstore and teaching center, and then began to travel around the U. S. in 1973 to spread their views.

He then attempted to introduce a moderate form of parliamentary democracy, and men ( though not women ) were given the vote in parliamentary elections in 1973.

The Stennis Compromise was a legal maneuver attempted by U. S. President Richard Nixon on October 19, 1973 during the Watergate scandal.

It was created by the 1973 Act following recommendations made by the 1969 Wheatley Report which attempted to replace the mishmash of counties, cities, burghs and districts, with a uniform two-tier system of regional and district councils.

Congress investigated Elliott numerous times: for the attempted sale of bombers to the USSR ( 1934 ); for allegations of broadcast industry corruption ( 1937-45 ); for the Blaze affair ( his dog ’ s travel on emergency war priority, 1945 ); for his promotion to general, demanded by his father ( 1945 ); for the Hartford loan scandal ( 1945 ); for his denunciation of U. S. foreign policy during a visit to the USSR ( capped with a visit with Stalin ) ( 1946 ); for the Hughes F-11 purchase ( 1947 ); and for involvement with organized crime and securities fraud in Miami and the Bahamas ( 1973 ).

However, this did not give them enough capital to publish the rules for Dungeons & Dragons and, worried that other companies would be able to publish similar projects first, the two convinced acquaintance Brian Blume to join TSR in December 1973 as an equal one-third partner.

Lorenz retired from the Max Planck Institute in 1973 but continued to research and publish from Altenberg and Grünau im Almtal in Austria.

In 1973, Gelman would publish a collection of Little Nemo strips in Italy.

They publish their results in November 1973 in PNAS.

In 1973, Gelman would publish a collection of Little Nemo strips in Italy.

In 1973, the processualist David Clarke of Cambridge University would publish an academic paper in Antiquity claiming that as a discipline, archaeology had moved from its original " noble innocence " through to " self-consciousness " and then onto " critical self-consciousness ", a symptom of which was the development of the New Archaeology.

In 1973, after facing a serious illness, Alifa ’ s husband allowed her once more to write and publish her work.

In 1973 he published a history of British social anthropology, and since then he has continued to study and publish on the intellectual history of anthropology, most recently a book on the idea of culture in the anthropological tradition.

In 1973, David Clarke of Cambridge University would publish an academic paper in Antiquity claiming that as a discipline, archaeology had moved from its original " noble innocence " through to " self-consciousness " and then onto " critical self-consciousness ", a symptom of which was the increasing recognition and emphasis on archaeological theory.

Keen to appeal to a more mature market, Casterman decided in 1973 to publish the first albums of Corto Maltese by the Italian author Hugo Pratt.

The Red Circle Comics line was first used to publish Chilling Adventures in Sorcery in October 1973, which for its first two issues was called Chilling Adventures in Sorcery as told by Sabrina.

The Friends of Mount Pisgah Arboretum was established in 1973 when it began to construct trails, build bridges, remove invasive species, and publish newsletters.

* 1973 – Hiroyuki Goto, Japanese game designer

* 1973 – Daisuke Ishiwatari, Japanese game developer and composer

His caps record lasted until 1973 when Bobby Moore overtook him, and Charlton currently lies fourth in the all-time England appearances list behind Moore, David Beckham and Peter Shilton, whose own England career began in the first game after Charlton's had ended.

His last game was against Chelsea at Stamford Bridge on 28 April 1973, and before the game the BBC cameras for Match of the Day captured the Chelsea chairman handing Charlton a commemorative cigarette case.

John Adams, known by baseball fans as " The Drummer ", has played a bass drum at nearly every home game since 1973.

Don Daglow wrote an enhanced version of the program called Ecala on a PDP-10 mainframe computer at Pomona College in 1973 before writing what was possibly the second or third computer role-playing game, Dungeon ( 1975 ) ( The first was probably " dnd ", written on and for the PLATO system in 1974, and the second may have been Moria, written in 1975 ).

In a role-playing game context, it was first used by Flying Buffalo in the 1975 game Tunnels and Trolls, with previous usage in a wargaming context including Guidon Games 1973 ruleset, Ironclad.

Taito released a four-way joystick as part of their arcade racing video game Astro Race in 1973, while their 1975 run and gun multi-directional shooter game Western Gun introduced dual-stick controls with one eight-way joystick for movement and the other for changing the shooting direction.

In 1973 Maynard Smith formalised a central concept in evolutionary game theory called the evolutionarily stable strategy ( ESS ), based on a verbal argument by George R. Price.

In 1973, Bench slumped to 25 home runs and 104 RBI, but helped the Reds rally from a 10 1 / 2 game deficit in July to the Los Angeles Dodgers to win a major league-high 99 games and claim another National League West Division.

Although the Padres continued to struggle after Colbert's departure via trade to the Detroit Tigers in 1974, they did feature star outfielder Dave Winfield, who came to the Padres in 1973 from the University of Minnesota without having played a single game in the minor leagues.

The game was played on January 14, 1973, at the Los Angeles Memorial Coliseum in Los Angeles, California, the second time the Super Bowl was played in that city.

Super Bowl VIII was an American football game between the National Football Conference ( NFC ) champion Minnesota Vikings and the American Football Conference ( AFC ) champion Miami Dolphins to decide the National Football League ( NFL ) champion for the 1973 season.

Despite this, they still finished the 1973 season giving up fewer points ( 150 ) than in 1972, and recorded a 12-2 record, including their opening game victory over the San Francisco 49ers that tied an NFL record with 18 consecutive wins.

Also, many Dolphin players wore a slightly different helmet decal than the rest ... starting with the final regular season game of the 1973 season ( and continuing throughout the playoffs ) many players, mostly linemen, wore the decal that the team would adopt in 1974 ( with the mascot dolphin leaping through the sun ), while others wore helmets with the 1969-1973 decal ( with the mascot dolphin halfway through the sun ).

Taito introduced their first video arcade game in 1973.

( SPI, 1973 )-along with Patrol, the first Man to Man wargames where game pieces depicted a single soldier.

Beginning in 1973, the first three games had a Secret Square, with each game offering different prize packages, usually worth between $ 2, 000 and $ 7, 000.

* The Thief Who Came to Dinner, 1973 by Terrence Lore Smith and Walter Hill — Ryan O ' Neal plays a bored Control Data employee who decides to retire and turn to a life of crime, but breaks back in to use the computers to help him in a game of chess with the detective who is on his trail.

From 1973 to 1977, The Match Game was # 1 among all daytime network game shows — three of those years it was the highest rated in all of daytime shows.

It was during the 1972 – 73 season that the Flyers shed the mediocre expansion team label and became the intimidating Broad Street Bullies, a nickname coined by Jack Chevalier and Pete Cafone of the Philadelphia Bulletin on January 3, 1973 after a 3 to 1 brawling victory over the Atlanta Flames that led Chevalier to write in his game account, " The image of the fightin ' Flyers spreading gradually around the NHL, and people are dreaming up wild nicknames.