1. In 1846, the United States declared war on Mexico, which ultimately led to Maine sending troops to fight in the war. Many soldiers from Maine saw action in battles in Mexico, including the Battle of Monterrey and the Battle of Buena Vista.

2. On July 13, 1853, the Grand Trunk Railway Company completed its rail line between Portland, Maine and Montreal, Canada. This allowed for easier transportation of goods and people between the two countries and helped to boost the economy in Maine.

3. In 1864, the Third Maine Regiment participated in the Battle of the Crater during the American Civil War. The regiment was part of a Union effort to break through Confederate defenses by detonating a mine underneath them. The battle was ultimately a Confederate victory, and the Third Maine Regiment suffered heavy casualties.

4. On July 13, 1923, the famous Maine humorist Robert Benchley was born in Worcester, Massachusetts. Benchley got his start as a writer and critic for Vanity Fair and later became known for his witty essays, books, and film appearances. He was a beloved figure in the literary and entertainment worlds during the early 20th century.

5. In 1985, a fire destroyed much of the town of Vassalboro, Maine. The fire started in a potato bin and quickly spread to neighboring buildings, causing millions of dollars in damage. Despite the severity of the fire, no one was injured or killed, thanks in part to the efforts of local firefighters and emergency responders.