OK guys since Xmas is over, I owe you the answer. Here is the list of locations where Napoléon spent Xmas day on the following years:
1796: Milan (Italy)
1797: Paris
1798: Cairo (Egypt)
1799: Paris
1800: Paris
1801: Paris
1802: Saint-Cloud (near Paris)
1803: Paris
1804: Paris
1805: Vienna (Austria - Schönbrunn palace)
1806: Lopaczyn (Poland)
1807: Alessandria (Italy)
1808: Tordesillas (Spain)
1809: Trianon, Versailles (France) (last dinner with Joséphine)
1810: Paris
1811: Paris
1812: Paris
1813: Paris
1814: Porto Ferrajo (Elba)
1815: Saint Helena
1816: Saint Helena
1817: Saint Helena
1818: Saint Helena
1819: Saint Helena
1820: Saint Helena
(I would suspect that he spent New Year's day at most of these too) :wink2: