Us Presidential Primary Calendar. Washington — voters in new hampshire went to the polls on tuesday to make their choice for. Donald trump can now boast of being the first republican presidential candidate to win open races in iowa and new hampshire since both states began leading the election.

Key 2024 election dates and primary schedule by state. Donald trump can now boast of being the first republican presidential candidate to win open races in iowa and new hampshire since both states began leading the election.