Why not use a search engine and dig on that yourself? This is a research board, anon, not the Public Library Info Desk.
Las Vegas Convention Center
https://www.lvcva.com/who-we-are/our-facilities/las-vegas-convention-center/
https://www.reviewjournal.com/news/politics-and-government/nevada/trump-returns-to-las-vegas-for-rally-bill-signing/