WHAT HAPPENED IN 1798.
Look what happened the 1798.

Constantine Hangerli arrives in Bucharest, Wallachia, as its new Prince, invested by the Ottoman Empire. (4. January 1798)

Louis Alexandre Berthier invades Rome, proclaims a Roman Republic on February 15 and then on February 20 takes Pope Pius VI prisoner. (10. February 1798)

The Roman Republic is proclaimed after Louis Alexandre Berthier, a general of Napoleon, had invaded the city of Rome five days earlier (15. February 1798)

Louis Alexandre Berthier removes Pope Pius VI from power. (20. February 1798)

The Mississippi Territory is organized from disputed territory claimed by both the United States and Spain. It is expanded in 1804 and again in 1812. (7. April 1798)

The Irish Rebellion of 1798 led by the United Irishmen against British rule begins. (24. May 1798)

United Irishmen Rebellion: The Carnew massacre, Dunlavin massacre and Carlow massacre take place. (25. May 1798)

The Battle of Oulart Hill takes place in Wexford, Ireland. (27. May 1798)

United Irishmen Rebellion: Between 300 and 500 United Irishmen are massacred by the British Army in County Kildare, Ireland. (29. May 1798)

The Battle of New Ross: The attempt to spread the United Irish Rebellion into Munster is defeated. (5. June 1798)

Irish Rebellion of 1798: Battle of Arklow and Battle of Saintfield. (9. June 1798)

Irish Rebellion of 1798: Battle of Ballynahinch. (12. June 1798)

Irish Rebellion of 1798: The British Army defeats Irish rebels at the Battle of Vinegar Hill. (21. June 1798)

Quasi-War: the U.S. Congress rescinds treaties with France sparking the "war". (7. July 1798)

The United States Marine Corps is re-established; they had been disbanded after the American Revolutionary War. (11. July 1798)

The Sedition Act becomes law in the United States making it a federal crime to write, publish, or utter false or malicious statements about the United States government. (14. July 1798)

French Revolutionary Wars: Battle of the Nile (Battle of Aboukir Bay) – Battle begins when a British fleet engages the French Revolutionary Navy fleet in an unusual night action. (1. August 1798)

French Revolutionary Wars: the Battle of the Nile concludes in a British victory. (2. August 1798)

The Vietnamese Roman Catholics report a Marian apparition in Quảng Trị, an event which is called Lady of La Vang. (17. August 1798)

French troops land in Kilcummin harbour, County Mayo, Ireland to aid Wolfe Tone's United Irishmen's Irish Rebellion. (22. August 1798)