Wait at least 6 months after bypass surgery or angioplasty. Wait at least 6 months after a change in your heart condition that resulted in a change to your medications. If you have a pacemaker, you may donate as long as your pulse is between 50 and 100 beats per minute and you meet the other heart disease criteria.
The Roman calendar, or âpre-Julianâ calendar, was created during the founding of Rome and is believed to have been a lunar calendar. The calendar originally consisted of hollow months that were 29 days long or full months that had 30 days.The Colosseum in Rome is one of the most famous Roman ruins.he calendar originally consisted of hollow months that were 29 days long or full months that had 30 days. The Colosseum in Rome is one of the most famous Roman ruins.
Best Answer: Roman Roads. Laid out end to end, Roman roads would have stretched more than twice around the world's equator. Roman road builders used an ingenious surveying tool to plot direct routes over hundreds of miles. Reliably constructed from four separate layers, many have lasted over 2,000 years. Military might is the Roman Empire's most distinguishing characteristic. However, the civilization's most enduring legacy is definitely its roads. Many of them, and even their bridges, are still in use today!