- Jan 1 65th Sugar Bowl: #3 Ohio State beats #8 Texas A&M, 24-14
- Jan 1 85th Rose Bowl: #9 Wisconsin beats #6 UCLA, 38-31
- Jan 1 International Year of Elderly
- Jan 1 The Euro currency is introduced.
- Jan 2 65th Orange Bowl: #7 Florida beats #18 Syracuse, 31-10
- Jan 2 A brutal snowstorm smashes into the Midwestern United States, causing 14 inches (359 mm) of snow in Milwaukee, Wisconsin, and 19 inches (487 mm) in Chicago, where temperatures plunge to -13°F (-25°C); 68 deaths are reported.
- Jan 3 Israel detains, and later expels, 14 members of Concerned Christians.
- Jan 3 NASA's Mars Polar Lander launched, mission later fails after communication lost trying to land on Mars (Dec 3 1999)
- Jan 4 College Football, 1st BCS National Championship, Sun Devil Stadium, Tempe, AZ: #1 Tennessee beats #2 Florida State, 23-16, at 28th Fiesta Bowl
- Jan 4 Former professional wrestler Jesse Ventura is sworn in as Governor of Minnesota
- Jan 4 Gunmen open fire on Shiite Muslims worshipping in an Islamabad mosque, killing 16 people and injuring 25.
- Jan 6 An agreement is reached by the NBA and the players union to end a 204-day lockout which shortened the season by 50 games
- Jan 7 NBA Board of Governors unanimously ratifies a new 6-year collective bargaining agreement between the league and the National Basketball Players Association
Clinton Impeachment Trial
Jan 7 President Bill Clinton's Impeachment trial begins in the US Senate after the House voted to impeach him for lying about his affair with Monica Lewinsky
Karura Tree Planting Protest
Jan 8 Tree planting protest against the privatisation of Karura Forest, including Wangari Maathai, attacked in Kenya prompting outrage
- Jan 9 Hopman Cup Tennis, Perth: Mark Philippoussis clinches Australia's unassailable 2-0 lead, (ends 2-1), with a 6-3, 7-6 win over Sweden's Jonas Björkman; Australia's first title
The Sopranos
Jan 10 "The Sopranos", starring James Gandolfini as mobster Tony Soprano, debuts on HBO
People's Choice Awards
Jan 10 25th People's Choice Awards: Tom Hanks & Sandra Bullock win (Dramatic Motion Picture) and Tim Allen & Helen Hunt win (TV)
Praise You
Jan 10 Fatboy Slim's music single "Praise You" hits #1 in the UK
26th American Music Awards
Jan 11 26th American Music Awards: Celine Dion & Eric Clapton win
Jon Stewart Starts at "The Daily Show"
Jan 11 American comedian Jon Stewart succeeds Craig Kilborn as host of late-night talk and satirical news program "The Daily Show" on Comedy Central in US
Ecevit's 4th Term
Jan 11 Bülent Ecevit becomes Prime Minister of Turkey for the 4th time
Schottenheimer Resigns
Jan 11 Marty Schottenheimer resigns as head coach of the Kansas City Chiefs
Jordan's Second Retirement
Jan 13 Basketball superstar Michael Jordan announces his second retirement just prior to start of lockout-shortened 1998-99 NBA season; returns in 2001 with Washington
"The Miss" as Broncos Beat Jets
Jan 17 AFC Championship, Mile High Stadium, Denver: Denver Broncos beat New York Jets, 23-10; features infamous "The Miss", Vikings' PK Gary Anderson misses field goal late 4th quarter
- Jan 17 NFC Championship, Metrodome, Minneapolis: Atlanta Falcons beat Minnesota Vikings, 30-27 (OT)
- Jan 20 The China News Service announces new government restrictions on Internet use aimed especially at Internet cafés.
- Jan 21 In one of the largest drug busts in American history, the US Coast Guard intercepts a ship carrying 4,300 kg of cocaine
- Jan 22 Australian missionary Graham Staines and his two sons are burned alive by radical Hindus while sleeping in their car in Eastern India
49th NHL All-Star Game
Jan 24 49th NHL All-Star Game, Ice Palace, Tampa, FL: North America beats World, 8-6; MVP: Wayne Gretzky, NY Rangers, C
56th Golden Globes
Jan 24 56th Golden Globes: "Saving Private Ryan", Jim Carrey, and Cate Blanchett win
Duval's Sub-60 Round
Jan 24 David Duval eagles the 18th hole for a final round 59 to win the Bob Hope Chrysler Classic at PGA West; becomes only the 3rd player to fire a sub-60 round on the PGA Tour
- Jan 25 After an inquiry into a corruption scandal, 6 International Olympic Committee members are expelled
- Jan 25 Earthquake hits Colombia, South America, killing around 300 and injuring 1000
- Jan 25 Supernatural horror film "The Blair Witch Project" premieres at the Sundance Film festival
Hingis's 3rd Title
Jan 30 Australian Open Women's Tennis: Martina Hingis of Switzerland wins her 3rd consecutive Australian title; beats unseeded Amélie Mauresmo 6-2, 6-3
- Jan 31 15th Sundance Film Festival: "Three Seasons" wins Grand Jury Prize Dramatic
- Jan 31 Australian Open Men's Tennis: Yevgeny Kafelnikov becomes first Russian, male or female, to win an Australian title; beats Thomas Enqvist of Sweden 4-6, 6-0, 6-3, 7-6
"Family Guy"
Jan 31 Seth MacFarlane's "Family Guy" 1st airs on Fox TV
- Jan 31 Super Bowl XXXIII, Pro Player Stadium, Miami, FL: Denver Broncos beat Atlanta Falcons, 34-19; MVP: John Elway, Denver, QB