On This Day

17-year-old Lydia Ko of New Zealand becomes the youngest golfer in men's or women's golf history to be ranked No. 1 in t

17-year-old Lydia Ko of New Zealand becomes the youngest golfer in men's or women's golf history to be ranked No. 1 in the world

Dame Lydia Ko is a New Zealand professional golfer, member of the LPGA Hall of Fame, and the reigning Olympic champion. She first reached number one in the Women's World Golf Rankings on 2 February 2015 at 17 years, 9 months and 9 days of age, making her the youngest player of either gender to be ranked No. 1 in professional golf.

Ko had much success from an early age holding many youngest accolades on the LPGA Tour. Until 2017, she was the youngest ever (age 15) to win an LPGA Tour event. In August 2013, she became the only amateur to win two LPGA Tour events. Upon winning The Evian Championship in France on 13 September 2015, she became the youngest woman, at age 18 years, 4 months and 20 days, to win a major championship.

Historical Significance

Dame Lydia Ko is a New Zealand professional golfer, member of the LPGA Hall of Fame, and the reigning Olympic champion.

Key People

Lydia Ko

Athlete

New Zealand professional golfer

– present

Events Before

  1. Dutchman Michael van Gerwen wins his first PDC World Darts Championship, defeating Peter Wright of Scotland 7-4; it is t

    Dutchman Michael van Gerwen wins his first PDC World Darts Championship, defeating Peter Wright of Scotland 7-4; it is the first time no Englishman has been in the final

  2. English "Roxy Music" singer-songwriter Bryan Ferry [68] divorces second wife English public relations specialist Amanda

    English "Roxy Music" singer-songwriter Bryan Ferry [68] divorces second wife English public relations specialist Amanda Sheppard [32] after a year and a half of marriage

  3. Ukrainian Revolution of 2014 begins as protesters, riot police and unknown shooters take part in violent events in the c

    Ukrainian Revolution of 2014 begins as protesters, riot police and unknown shooters take part in violent events in the capital, Kiev, culminating after five days in the ouster of President Viktor Yanukovych

  4. Malaysia Airlines Flight MH370 with 239 people on board loses contact and disappears, prompting the most expensive searc

    Malaysia Airlines Flight MH370 with 239 people on board loses contact and disappears, prompting the most expensive search effort in history and one of the most enduring aviation mysteries

  5. Russia formally annexes Crimea amid international condemnation

    In February and March 2014, Russia invaded the Crimean Peninsula of Ukraine, occupied it, and then annexed it after an illegitimate referendum.

Events After

  1. After floods along the Mississippi River kill 31 people, Exxon Mobil Corp decides to close a plant in flood-threatened M

    After floods along the Mississippi River kill 31 people, Exxon Mobil Corp decides to close a plant in flood-threatened Memphis

  2. Mexican President Enrique Peña Nieto announces the recapture of drug lord Joaquín "El Chapo" Guzmán, six months after hi

    Mexican President Enrique Peña Nieto announces the recapture of drug lord Joaquín "El Chapo" Guzmán, six months after his escape from prison

  3. American singer-actress Katharine McPhee (31) divorces producer Nick Cokas (50) after 8 years of marriage

    American singer-actress Katharine McPhee (31) divorces producer Nick Cokas (50) after 8 years of marriage

  4. Pope Francis meets Patriarch Kirill in Havana in the first meeting between the heads of the Catholic and Russian Orthodo

    Pope Francis meets Patriarch Kirill in Havana in the first meeting between the heads of the Catholic and Russian Orthodox Churches in nearly 1,000 years

  5. Barack Obama becomes the first US President to visit Cuba since 1928, arriving for a three-day tour with First Lady Mich

    Barack Obama becomes the first US President to visit Cuba since 1928, arriving for a three-day tour with First Lady Michelle

More from the 2010s

Frequently Asked Questions

What happened on January 31, 2015?
Dame Lydia Ko is a New Zealand professional golfer, member of the LPGA Hall of Fame, and the reigning Olympic champion. She first reached number one in the Women's World Golf Rankings on 2 February 2015 at 17 years, 9 months and 9 days of age, making her the youngest player of either gender to be ranked No. 1 in professional golf.
Why is 17-year-old Lydia Ko of New Zealand becomes the youngest golfer in men's or w... significant?
Dame Lydia Ko is a New Zealand professional golfer, member of the LPGA Hall of Fame, and the reigning Olympic champion.
Who was involved in 17-year-old Lydia Ko of New Zealand becomes the youngest golfer in men's or w...?
Key figures include Lydia Ko (Athlete).

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