Being a Brazilian fan, so there will be more Brazilian organizing, so please bear with me <(_ _)>!
Ball name used: Tiento, T-model
Year of use: 1930 World Cup soccer tournament
Host country: Uruguay
Winner: Uruguay
Date: 7/13~7/30
Special Event: First World Cup Soccer Tournament
Note: The finalists, Uruguay and Argentina, had a dispute over the match ball, which led to FIFA intervening and deciding to use the Argentine ball (Tiento) for the first half and the Uruguayan ball (T-model) for the second half.
(Source WIKIPEDIA: http://ppt.cc/H6f7)
Name of ball used: Federale 102
Year of use: 1934 World Cup soccer tournament
Host country: Italy
Winner: Italy
Date: 5/27~6/10
Special event: Italy's first title
(Source WIKIPEDIA: http://ppt.cc/ccEc)
Name of ball used: Allen
Year of use: 1938 World Cup soccer tournament
Host country: France
Winner: Italy
Date: 6/4~6/19
Special Event: Italy wins the World Cup for the second time and becomes the first country to win back-to-back World Cup titles
(Source WIKIPEDIA: http://ppt.cc/3JV4)
The 1942 and 1946 World Cups were canceled due to the Second World War.
Name of ball used: Duplo T
Year of use: 1950 World Cup soccer tournament
Host country: Brazil
Winner: Uruguay
Date: 6/24~7/16
Special event: set a record for the highest average attendance at a ball game of 61,000 (only broken in 1994 during the U.S. World Cup)
(Source WIKIPEDIA: http://ppt.cc/9i2u)
Name of ball used: Swiss World Champion
Year of use: 1954 World Cup soccer tournament
Host country: Switzerland
Winner: West Germany
Date: 6/16~7/4
Special event: West Germany's first title
Note: East and West Germany were only unified into Germany in 1990.
(Source WIKIPEDIA: http://ppt.cc/KNco)
Ball Name: Top Star
Year of use: 1958 World Cup soccer tournament
Host country: Sweden
Winner: Brazil
Date: 6/8~6/29
Special Events:
1) Brazil wins for the first time
2) King Pelé's first World Cup title
(Source WIKIPEDIA: http://ppt.cc/oSz1)
Ball Name: Crack Top Star
Year of use: 1962 World Cup soccer tournament
Host country: Chile
Winner: Brazil
Date: 5/30~6/17
Special Events:
1) Brazil wins for the second time
2) King Pelé's second World Cup title
Name of ball used: Challenge 4-star
Year of use: 1966 World Cup soccer tournament
Host country: England
Winner: England
Date: 7/11~7/30
Special Events:
1) England's first title
2) Willie the mascot was the first mascot in the history of the World Cup.
(Source WIKIPEDIA: http://ppt.cc/tzYz)
Name of ball used: Telstar
Year of use: 1970 World Cup soccer tournament
Host country: Mexico
Winner: Brazil
Date: 5/31~9/21
Special Events:
1) Brazil became the first and only country to keep the Remy Cup permanently by winning it three times.
2) King Pelé's third World Cup title
3) Last World Cup to award the Rémy Gold Cup
4) Mario Zagallo was the first player to win the World Cup both as a player and as a head coach.
Note: From this year until now, every World Cup ball has been made by adidas.
Name of ball used: Telstar Durlast
Year of use: 1974 World Cup soccer tournament
Host country: West Germany
Winner: West Germany
Date: 6/13~7/7
Special Event: First World Cup to award the Hercules Cup
Name of ball used: Tango
Year of use: 1978 World Cup soccer tournament
Host country: Argentina
Winner: Argentina
Date: 6/1~6/25
Special event: Argentina's first championship
Name of ball used: Tango España
Year of use: 1982 World Cup soccer tournament
Host country: Spain
Winner: Italy
Date: 6/13~7/11
Special Event: The 1966 FIFA Executive Committee meeting was held in London, where Spain won the right to host the 1982 World Cup, and they spent 16 years preparing for the 1982 World Cup, which was the longest preparatory period in history.
Name of ball used: Azteca
Year of use: 1986 World Cup soccer tournament
Host country: Mexico
Winner: Argentina
Date: 5/31~6/29
Special Event: The Hand of God in Maradona
Name of ball used: Etrusco Unico
Year of use: 1990 World Cup soccer tournament
Host country: Italy
Winner: West Germany
Date: 6/8~7/8
Special event: West Germany's last participation (the reunification of East and West Germany on October 3 of that year, when the West German team merged with the East German team to form the German team)
Name of ball used: Questra
Year of use: 1994 World Cup soccer tournament
Host country: United States
Winner: Brazil
Date: 6/17~7/17
Special Events:
1) Brazil wins four times
2) Break the record of 61,000 average spectators for a 50' World Cup game (set a new high average of 68,991 for a game, which has been maintained to date)
Name of ball used: Tricolore
Year of use: 1998 World Cup soccer tournament
Host country: France
Winner: France
Date: 6/10~7/12
Special event: France's first title
Name of ball used: Fevernova
Year of use: 2002 World Cup soccer tournament
Host country: Japan, South Korea
Winner: Brazil
Date: 5/31~6/30
Special Events:
1) Brazil won the championship five times
2) The first time two countries jointly organized the World Cup.
Name of ball used: Teamgeist, Teamgeist Berlin (final ball)
Year of use: 2006 World Cup soccer tournament
Host country: Germany
Winner: Italy
Date: 6/9~7/9
Special Events:
Ronaldo broke Gerd Müller's 32-year record of 14 goals to become the World Cup's leading goal scorer with 15 goals (the record was broken by Klose with 16 goals in 2014).
2) For the first time, the city, venue, team, date and start time of the match will be recorded on each ball.
Teamgeist Berlin (final ball)
Name of ball used: Jabulani, Jo'bulani (final ball)
Year of use: 2010 World Cup soccer tournament
Host country: South Africa
Winner: Spain
Date: 6/11~7/11
Special Events:
1) Spain wins for the first time
2) The vuvuzela controversy
Jo'bulani (final ball)
Name of ball used: Brazuca, Brazuca Final Rio (final ball)
Year of use: 2014 World Cup soccer tournament
Host country: Brazil
Winner: Germany
Date: 6/12~7/13
Special event: Klose breaks Ronaldo's 15-goal record and becomes the World Cup's leading goal scorer with 16 goals.
Brazuca Final Rio (final ball)