You might do the following Google Search:
TOPIC + TIMELINE
TOPIC + CHRONOLOGY
e.g. Civil War Timeline
War of 1812 Chronology
*Make sure you are using authoritative, credible sources, such as museum websites, archives, documentary/television productions, libraries, and educational and historic organizations, whose work is accurately identifying archival items (photographs, posters, artifacts, etc.).
You can limit your online search to credible sources by using this formula when searching Google.
Your topic, followed by a colon (:), followed by .edu or .gov
This will limit your search results to college and university websites or government publications, which are authoritative, credible sources.