Category:Baseball teams by decade of establishment

0–9

• Baseball teams established in the 1840s‎ (1 C)
• Baseball teams established in the 1850s‎ (5 C)
• Baseball teams established in the 1860s‎ (9 C)
• Baseball teams established in the 1870s‎ (10 C, 1 P)
• Baseball teams established in the 1880s‎ (10 C)
• Baseball teams established in the 1890s‎ (10 C)
• Baseball teams established in the 1900s‎ (10 C)
• Baseball teams established in the 1910s‎ (10 C)
• Baseball teams established in the 1920s‎ (10 C)
• Baseball teams established in the 1930s‎ (10 C)
• Baseball teams established in the 1940s‎ (10 C)
• Baseball teams established in the 1950s‎ (10 C)
• Baseball teams established in the 1960s‎ (10 C)
• Baseball teams established in the 1970s‎ (10 C)
• Baseball teams established in the 1980s‎ (10 C)
• Baseball teams established in the 1990s‎ (10 C)
• Baseball teams established in the 2000s‎ (10 C)
• Baseball teams established in the 2010s‎ (10 C)
• Baseball teams established in the 2020s‎ (5 C)