In France, Fulton met Robert R. Livingston, who was appointed U.S. Ambassador to France in 1801. He also had a scientifically curious mind, and the two men decided to collaborate on building a steamboat and to try operating it on the Seine. Fulton experimented with the water-resistance of various hull shapes, made drawings and models, and had a steamboat constructed. At the first trial, the boat ran perfectly, but the hull was later rebuilt and strengthened. On August 9, 1803, when this boat was driven up the River Seine, it sank. The boat was 66 feet (20.1 m) long, with an 8-foot (2.4 m) beam, and made between 3 and 4 miles per hour (4.8 and 6.4 km/h) against the current.
A year after George Washington's death, on January 1, 1801, Martha Washington signed an order freeing his slaves. Many of them, having never strayed far from Mount Vernon, were naturally reluctant to try their luck elsewhere; others refused to abandon spouses or children still held as dower slaves (the Custis estate) and also stayed with or near Martha. Following George Washington's instructions in his will, funds were used to feed and clothe the young, aged, and sickly slaves until the early 1830s.
In 1801 the Upper House moved into the larger White Chamber (also known as the Lesser Hall), which had housed the Court of Requests; the expansion of the Peerage by King George III during the 18th century, along with the imminent Act of Union with Ireland, necessitated the move, as the original chamber could not accommodate the increased number of peers.
In 1801, his unit was sent, as part of a much larger Ottoman force, to re-occupy Egypt following a brief French occupation that threatened the way of life in Egypt. The expedition consisting of Xebec landed at Aboukir in the spring of 1801. One of his trusted army commanders was Miralay Mustafa Bey, who had married Muhammad's sister Zubayda and was the ancestor of the Yakan family.
As the conflict drew on, the local populace grew weary of the power struggle. In 1801, he allied with the Egyptian leader Umar Makram and Egypt's Grand Imam of al-Azhar. During the infighting between the Ottomans and Mamluks between 1801 and 1805, Muhammad Ali carefully acted to gain the support of the general public.
The brief peace in Europe allowed Napoleon to focus on the French colonies abroad. Saint-Domingue had managed to acquire a high level of political autonomy during the Revolutionary Wars, with Toussaint Louverture installing himself as de facto dictator by 1801.