1. On October 10, 1977, David Berkowitz (also known as the "Son of Sam") pleaded guilty to six murders and one attempted murder in New York City. The case gained national attention and Berkowitz was sentenced to six consecutive life sentences in prison.

2. In 1935, the National Institute of Health in Bethesda, Maryland was officially dedicated by President Franklin D. Roosevelt. The institute has since become world-renowned for its research in biomedical science and its contributions to public health.

3. On October 10, 1886, Mount Olympus National Park (now known as Olympic National Park) was established in Washington State. The park is home to diverse ecosystems, including temperate rainforests, alpine meadows, and rugged coastlines.

4. In 1964, the Space Needle in Seattle, Washington was officially dedicated. The iconic observation tower was built for the 1962 World's Fair and has since become synonymous with the city's skyline.

5. On October 10, 1941, President Franklin D. Roosevelt visited Washington State and spoke at the dedication ceremony for the Bonneville Dam, which spans the Columbia River between Oregon and Washington. The dam has helped to provide hydroelectric power to the region for decades and is still in operation today.