home / world/ united states/ illinois/ chicago / may 18, 1860: lincoln wins republican nomination R reason.com 3d May 18, 1860: Lincoln Wins Republican Nomination 5/18/1860: Abraham Lincoln wins the Republican Party presidential nomination. The post Today in Supreme Court History: May 18, 1860 appeared first on Reason.com. Reason • reason.com/volokh/2026/05/18/today-in-supreme-court-history-may-18-1860-7/ ChicagoIllinoisUnited StatesElectionsPoliticsWorld