Name one event that happened in Ancient rome and one in ancient greece around the same time and list a timeline

These events may include the following:
• the development or spread of the civilization or ideas and practices from the civilization
• religious ideas or cultural practices
• scientific or technological inventions or advancements
• agricultural or economic developments
1-2 sentences for each event

In Ancient Rome, Julius Caesar was assassinated in 44 BCE, which marked the end of the Roman Republic and the beginning of the Roman Empire. In Ancient Greece, around the same time, the famous mathematician and engineer Archimedes was making advancements in geometry and inventing machines like the Archimedes screw.

Timeline:
- 44 BCE: Julius Caesar is assassinated in Rome
- 44 BCE: Archimedes continues his work in geometry and invents the Archimedes screw in Greece.