1. In 1906, the city of Reno experienced one of its worst fires in history on April 25. The fire burned multiple buildings, and the damages were estimated to be around $400,000. It led to the creation of new building codes and fire safety measures in the city.

2. April 25, 1936, marked the first-ever air mail delivery from Reno to Elko, Nevada. The mail was carried by a Boeing 40 B-2 airplane, piloted by George L. Heath. The flight covered a distance of 310 miles, and the mail was delivered in just over two hours.

3. On April 25, 1972, Lake Tahoe witnessed an unusual phenomenon known as a "mini-tsunami." The wave was caused by an earthquake that occurred in the area and measured around 5.1 on the Richter scale. The wave caused minor damages to boats and piers along the lake's shoreline.

4. In 2001, on April 25, the Reno Aces, a minor league baseball team, played their first-ever game in franchise history. The game was played at Moana Stadium in Reno, and the Aces lost to the Las Vegas 51s by a score of 8-7.

5. April 25, 2016, marked the 106th anniversary of the opening of the Carson City Mint. The mint was established in 1863 to support the coinage needs of the growing Nevada silver mining industry. The mint produced over $49 million dollars in gold and silver coins during its operational years. It was closed in 1893 but reopened briefly in 1933 to produce gold coins during the Great Depression.