Popular Sports in Different Regions:

1. Football (Soccer): Football is a global phenomenon, with an especially massive following in Europe, South America, and Africa. Prominent club competitions include the UEFA Champions League and the Copa Libertadores.

2. Cricket: Cricket is hugely popular in countries like India, Pakistan, England, Australia, and the West Indies. The Indian Premier League (IPL) is one of the most-watched cricket leagues worldwide.

3. Baseball: Baseball is a major sport in the United States, Japan, South Korea, and several Latin American countries. Major League Baseball (MLB) is one of the top professional leagues.

4. Basketball: Basketball enjoys popularity in the United States, Canada, Europe, and the Philippines. The NBA (National Basketball Association) is a globally recognized league.

5. Rugby: Rugby has strong followings in countries such as New Zealand, Australia, South Africa, England, and France. The Rugby World Cup is a prestigious international event.

6. Sumo Wrestling: Sumo wrestling is deeply rooted in Japanese culture and remains a popular traditional sport in Japan.

7. Martial Arts: Various martial arts like Karate, Taekwondo, Judo, and MMA (Mixed Martial Arts) have international appeal, with diverse followings in different regions.

International Sports Events:

1. Olympic Games: The Summer and Winter Olympics are the most prestigious global multi-sport events. Athletes from around the world compete in various disciplines, including athletics, swimming, gymnastics, skiing, and more.

2. FIFA World Cup: The FIFA World Cup is the pinnacle of international football, with nations from every corner of the globe vying for the championship. It's one of the most-watched sporting events worldwide.

3. Cricket World Cup: The Cricket World Cup is a major event in the cricketing world. It features teams from various countries competing for the championship in the One Day International (ODI) format.

4. Rugby World Cup: The Rugby World Cup is the premier international rugby competition, with nations competing in both the 15-a-side and 7-a-side formats.

5. Tennis Grand Slam Events: The four Grand Slam tournaments (Australian Open, French Open, Wimbledon, and the US Open) attract the best tennis players globally and are considered the most prestigious events in the sport.

6. Tour de France: The Tour de France is the most renowned bicycle race globally, attracting elite cyclists for a multi-stage race through France.

7. Golf Majors: Golf's major championships, including The Masters, the U.S. Open, The Open Championship, and the PGA Championship, are prestigious international events.

8. Formula 1 Grand Prix: Formula 1 is a global motorsport, with races held in various countries. The Monaco Grand Prix and the Italian Grand Prix are among the most famous.

9. Winter X Games: The Winter X Games showcase extreme winter sports like snowboarding, skiing, and snowmobiling and feature top athletes from across the world.

10. Cricket T20 World Cup: In addition to the Cricket World Cup, T20 cricket has its own World Cup, which focuses on the shorter and more dynamic format of the game.

These sports and international competitions unite nations, athletes, and fans from diverse backgrounds, celebrating the spirit of competition and athleticism on a global scale. They represent a significant part of our shared human culture and bring people together in the name of sport and unity.