Yes, bronze swords have existed historically and have been found in various cultures throughout different time periods. Bronze, an alloy primarily composed of copper and tin, was one of the earliest metals to be used for crafting weapons, including swords.

Bronze swords were prominent during the Bronze Age, which spanned from around 3000 BCE to 1200 BCE. These swords were made by casting molten bronze into molds and then hammering and shaping the resulting blades. The design and characteristics of bronze swords varied across different regions and cultures, reflecting the specific techniques and preferences of each society.

Notable examples of bronze swords include:

1. Naue II Sword: A type of bronze sword associated with the late Bronze Age and the Aegean region. It had a long, slender blade with a pronounced mid-rib and a hilt that included a pommel and guard.
2. Chinese Bronze Swords: Bronze swords were used in ancient China during the Shang and Zhou dynasties. These swords typically had a straight, double-edged blade and a hilt made of wood, bone, or other materials.
3. Ewart Park Sword: A type of bronze sword found in Britain and dating back to the Middle Bronze Age. It had a leaf-shaped blade and a hilt with a distinct pommel and guard.
4. Celtic Bronze Swords: Various types of bronze swords were used by Celtic tribes across Europe during the Iron Age. These swords often had elaborate hilts and distinct regional styles.

Bronze swords gradually gave way to iron swords as advances in metallurgy and the discovery of iron made iron weapons more readily available. Iron offered superior strength and hardness compared to bronze, leading to its widespread adoption.

While bronze swords may not have been as prevalent in later historical periods, they played a significant role in early civilizations and are an important part of ancient weaponry and archaeological discoveries.