On the Fallout Wiki, find the original release date and main protagonist for the first *Fallout* game. Then, for *Fallout: New Vegas*, identify its primary antagonists and the main conflict they are involved in at the Hoover Dam. Provide all findings.
Navigate to fallout.fandom.com. On the *Fallout* game page, locate the 'Release date' in the 'Development information' section. On the *Fallout* game page, identify the name of the protagonist. Use the search bar to find and navigate to the 'Fallout: New Vegas' page. On the 'Fallout: New Vegas' page, locate the 'Contents' section. If it's not immediately visible, scroll down or look for a button to reveal it. Within the 'Contents' section, click on the 'Story' link. Within the 'Story' section, locate the 'Endings' sub-section. Identify the major factions involved in the Second Battle of Hoover Dam from the 'Endings' section.
State the release date of the original *Fallout* game as October 10, 1997. State the name of the protagonist of the original *Fallout* game as the Vault Dweller. State that the primary antagonists clashing at the Second Battle of Hoover Dam in *Fallout: New Vegas* are the New California Republic (NCR) and Caesar's Legion.