In 1900, Golf was featured in the Summer Olympic Games official programme.
In 1904, Golf was featured in the Summer Olympic Games official programme.
In 1930, Bobby Jones praised Joyce Wethered after they had played an exhibition against each other. He doubted that there had ever been a better golfer, man or woman.
In 1934, The Masters has been played at Augusta National Golf Club in Augusta, Georgia, since its inception.
In 1937, the Senior PGA was founded.
In 1947, American golfer Babe Zaharias became the first American to win the British Women's Amateur title.
In 1950, the Ladies Professional Golf Association was formed as a way to popularize the sport and provide competitive opportunities for golfers.
In 1960, Jack Nicklaus gained widespread notice by finishing second in the U.S. Open to champion Arnold Palmer, with a 72-hole score of 282.
In 1961, Jack Nicklaus won that year's U.S. Amateur.
In 1962, Jack Nicklaus turned professional.
In February 1971, astronaut Alan Shepard became the first person to golf anywhere other than on Earth when he played golf on the Moon during the Apollo 14 mission.
In 1972, U.S. Congress passed the Title IX of the Education Amendments, prohibiting sex-based discrimination in educational programs or activities receiving Federal financial assistance.
In 1977, American Renee Powell moved to the UK to further her career, and became the first woman to play in a British men's tournament.
In 1984, Nintendo's Golf was released and is recognized as the best-selling golf video game in history.
In 1996, the Japan, Australasian, Sunshine, PGA, and European Tours founded the trade body of the world's main tours, the International Federation of PGA Tours.
In 1999, the Asian Tour became a full member of the International Federation of PGA Tours.
In 2000, according to the National Golf Foundation, 6.9 million people in the United States played golf twenty-five times or more per year.
In 2000, the Canadian Tour became an associate member of the International Federation of PGA Tours.
In 2001 the Women's British Open replaced the du Maurier Classic as a major in women's golf.
In 2003, The Senior Open Championship was not recognised as a major by PGA Tour Champions.
From 2004 to 2009, the number of golf courses in China had tripled.
In 2004, The R&A spun off from The Royal and Ancient Golf Club of St Andrews, which was founded in 1754.
In 2005, Golf Digest calculated that the countries with the most golf courses per capita, in order, were: Scotland, New Zealand, Australia, Ireland, Canada, Wales, the United States, Sweden, and England (countries with fewer than 500,000 people were excluded).
In 2005, according to the National Golf Foundation, the number of people in the United States who played golf twenty-five times or more per year decreased to 4.6 million.
In 2007, the Tour de las Américas became an associate member of the International Federation of PGA Tours.
Beginning in 2008, the Ladies European Tour scheduled an event opposite the LPGA Championship.
By the end of 2009, there were roughly 600 golf courses in China.
In 2009, eleven new tours became full members of the International Federation of PGA Tours, including the Canadian Tour, Tour de las Américas, China Golf Association, the Korea Professional Golfers' Association, Professional Golf Tour of India, and the operators of all six major women's tours worldwide.
Since 2010, the PGA Tour and European Tour money titles have been claimed by the same individual three times.
In 2011, Luke Donald claimed both tours' money titles.
In 2011, the Tour de las Américas was effectively taken over by the PGA Tour.
In 2011, women made up 19 percent of golfers in the United States.
In 2012, Rory McIlroy claimed both tours' money titles.
In 2013, The Evian Championship added as the fifth major in women's golf.
In 2014, Rory McIlroy claimed both tours' money titles.
After a 112-year absence, golf returned for the 2016 Rio Games.
As of 2016, women golfers were still fighting to have the same opportunities as male golfers, and there remained a significant pay gap in the USGA.
In 2016, anchored putting, a style that requires a longer putter shaft that can be anchored into the player's stomach or below the chin, was banned on professional circuits.
In 2017, the USGA and R&A undertook a complete rewrite of the rules of Golf, with the aim of simplifying them.
In January 2019, the new golf rule book, a complete rewrite undertaken by the USGA and R&A, came into effect with the aim of simplifying the rules.
As of 2019, the United States has the highest number of golf courses—as much as 43% of the total—and combined with second placed Japan together account for a majority (51%) of golf courses worldwide.
In 2020, a new World Handicap System, devised by the USGA and The R&A, was introduced globally to address difficulties in translating between different handicap systems.
In 2021, women made up 25 percent of golfers in the United States, up from 19 percent in 2011.