1. Maryland becomes the seventh state to join the United States.

July 29, 1776, was a significant day in Maryland's history, as the state became the seventh to ratify the Declaration of Independence. This move put Maryland on the map as a player in the fight for independence, and it remains an important moment in the state's history to this day.

2. The Baltimore and Ohio Railroad is founded.

On July 29, 1827, the Baltimore and Ohio Railroad was founded in Baltimore, Maryland. This was a major development for the state's transportation infrastructure, as it was the first railroad in the United States to offer regular passenger service. The B&O Railroad remained a significant part of Maryland's history for over a century.

3. Maryland celebrates the bicentennial of its statehood.

On July 29, 1976, Maryland celebrated the bicentennial of its statehood. This was a time for Marylanders to reflect on the state's rich history and accomplishments over the past two centuries. Parades, fireworks, and other festivities were held throughout the state to mark the occasion.

4. The USS Maryland is commissioned.

On July 29, 1921, the USS Maryland, a battleship in the United States Navy, was commissioned in Baltimore. The ship served in both World War I and World War II, and was present at Pearl Harbor during the Japanese attack. It was decommissioned in 1947, but remains a symbol of Maryland's military history.

5. The Maryland Renaissance Festival opens.

The Maryland Renaissance Festival, an annual event held in Crownsville, Maryland, opens each year on the last weekend in August. The festival, which began on July 29, 1977, features jousting knights, costumed performers, and a variety of food and drink vendors. It has become a popular attraction for visitors to the state, and is a unique part of Maryland's cultural heritage.