1902 – Anaheim Public Library established.^[7]
1911 – Anaheim Orange Growers Association incorporated.^[8]
1919
- Anaheim Citrus Packing House built.^[9]
- Public park established (approximate date).^[10]
1923 – Anaheim Morning Bulletin begins publication.^[4]
1938 – Los Angeles flood of 1938.^[1]
1941 – Prado Dam built in vicinity of Anaheim.^[1]
1944 – Yorba Orange Growers Association established.^[8]
1955 – Disneyland^[1] and Anaheim Drive-In cinema^[11] in business.
1966 – Anaheim Stadium opens.
1967 – Anaheim Convention Center and the public library's Anaheim History Room open.^[7]
1968 – Fox Cinemaland theatre in business.^[11]
1970 – Population: 166,701.^[12]
1972 – Anaheim Hills Golf Course opens.^[13]
1974 – Living Stream Ministry relocated to Anaheim (approximate date).^[14]
1976 – Anaheim Historical Society founded.^[15]
1987 – Anaheim Museum established.^[16]
1990 – Population: 266,406.^[12]
1991 – East West Community Church established.^[17]
1992 – Tom Daly becomes mayor.
1993
- Arrowhead Pond of Anaheim (arena) opens.
- Mighty Ducks ice hockey team formed.
1994 – South Baylo University relocated to Anaheim.^[14]
1997
- City website online.^[18]
- Loretta Sanchez becomes U.S. representative for California's 46th congressional district.^[19]^[20]
1998 – Anaheim Transportation Network established.^[14]
2000 – Population: 328,014.^[21]

Nineteenth century

Twentieth century