Final answer:
The significance of January 15, 1908, January 29, 1913, or October 8, 1949, requires additional context. Important historical events linked to these dates can vary widely depending on the regional or global context. For example, the year 1949 is noted for the establishment of the People's Republic of China.
Step-by-step explanation:
The dates you've asked about represent different historical events or periods. Unfortunately, without specific context, it is hard to determine the significance of dates like January 15, 1908, January 29, 1913, or October 8, 1949, as they may hold different meanings in various historical or cultural contexts. Checking historical timelines, records, or specific country's historical events could yield information on what occurred on these dates. For example, the year 1949 might be significant in Chinese history as the People's Republic of China was established on October 1, 1949, which could make October of that year significant.