Question: The Omni Royal Orleans is a 345-room hotel, in the French Quarter of Louisiana, which Category 4 event occurred in 1915?

Context articles: French Quarter
1915 New Orleans hurricane
Hotel Monteleone
Hermann-Grima House
List of Category 4 Atlantic hurricanes
Carousel Piano Bar &amp; Lounge
Omni Royal Orleans
French Quarter Festival
Madame John's Legacy
Chris Owens (performer)

The French Quarter, also known as the Vieux Carré or the Vieux Carre Historic District, is the oldest section of the city of New Orleans.
 After New Orleans ("La Nouvelle-Orléans" in French) was founded in 1718 by Jean-Baptiste Le Moyne de Bienville, it developed around the "Vieux Carré" ("Old Square" in English), a central square.
 The district is more commonly called the French Quarter today, or simply "the Quarter," related to changes in the city with American immigration after the Louisiana Purchase.
The New Orleans Hurricane of 1915 was an intense Category 4 hurricane that made landfall near Grand Isle, Louisiana during the 1915 Atlantic hurricane season.
 The storm formed in late September were it moved westward and peaked in intensity of 145 mph (230 km/h) to weaken slightly by time of landfall on September 29 with recorded wind speeds of 126 mph (206 km/h) as a strong category 3 Hurricane.
 The hurricane killed 275 people and caused $13 million (1915 US dollars) in damage.
Hotel Monteleone is a family-owned and operated hotel located at 214 Royal Street in the French Quarter of New Orleans, Louisiana, U.S..
 The hotel includes the only high-rise building in the interior French Quarter and is well known for its Carousel Piano Bar & Lounge, a rotating bar.
The Hermann-Grima House is a historic house museum in the French Quarter of New Orleans, Louisiana.
 The meticulously-restored home reflects the "Golden Age" of New Orleans.
 It is a handsome Federal-style mansion with courtyard garden, built in 1831.
 It has the only extant horse stable and 1830s open-hearth kitchen in the French Quarter.
Category 4 hurricanes are tropical cyclones that reach Category 4 intensity on the Saffir–Simpson Hurricane Scale.
 Category 4 hurricanes that later attained Category 5 strength are not included in this list.
 The Atlantic basin includes the open waters of the Atlantic Ocean, the Caribbean Sea and the Gulf of Mexico.
 Category 4 is the second-highest hurricane classification category on the Saffir–Simpson Hurricane Scale, and storms that are of this intensity maintain maximum sustained winds of 113–136 knots (130–156 mph, 209–251 km/h).
 Based on the Atlantic hurricane database, 94 hurricanes have attained Category 4 hurricane status since 1851, the start of modern meteorological record keeping.
 Category 4 storms are considered extreme hurricanes.
 Hurricane Ike, which was a Category 4 storm, brought on a 24 ft storm surge, the third greatest storm surge ever recorded (after Hurricane Katrina and Hurricane Camille, respectively).
The Carousel Piano Bar & Lounge is the only revolving bar in New Orleans, Louisiana.
 The bar is inside the Hotel Monteleone and overlooks Royal Street in the French Quarter of New Orleans.
 Installed in 1949, the 25-seat circular bar turns on 2,000 large steel rollers, powered by a 1/4 hp motor.
 The bar rotates at a rate of one revolution every 15 minutes.
 In addition to the rotating bar, an adjoining room includes booths and tables with live entertainment offered nightly.
The Omni Royal Orleans is a 345-room hotel on the corner of St. Louis and Royal Streets near Jackson Square in the French Quarter of New Orleans, Louisiana.
 It was constructed in 1960 as the Royal Orleans, on the site of the old St. Louis Hotel, which was ruined by the 1915 New Orleans hurricane.
 The exterior was designed by architect Samuel Wilson Jr., while the interior was designed by Arthur Davis.
French Quarter Festival is a free, annual music festival held in early April, located in the historic French Quarter of New Orleans, Louisiana.
 Founded in 1983 with the first festival held in 1984, the festival features primarily New Orleans music, such as jazz, blues, and zydeco from hundreds of local musicians, as well as food from dozens of New Orleans restaurants.
Madame John's Legacy is a historic house museum at 632 Dumaine Street in the French Quarter of New Orleans, Louisiana.
 Built in 1788, it is one of the oldest houses in the French Quarter, and was built in the older French colonial style, rather than the more current Spanish colonial style of that time.
 It was declared a National Historic Landmark in 1970 for its architectural significance.
 The Louisiana State Museum owns the house and provides tours.
Chris Owens is a performer, club owner and entrepreneur who bases her act out of the French Quarter of New Orleans, Louisiana, in the United States.
 She has been a French Quarter fixture and celebrity from the start of the 1960s through the early 21st century.
 Owens is well known in Louisiana and throughout the South.
 Tourists visiting the Bourbon Street cannot miss huge posters of her wearing costumes as they walk by her nightclub.