Here are all the countries with more events:

Ajuuraan
Albania
Aragon
Austria
Bavaria
Castile
Denmark
England
France
Genoa
Gotland
The Hansa
Hamburg
Hesse
Hungary
Kanem Bornu
Korea
Livonian Order
Marathas
Moldavia
Mughals
Naples
Navarra
The Netherlands
Norway
Nuremberg
Ottomans
The Palatinate
The Papal States
Persia
Poland
Portugal
Savoy
Saxony
Scotland
Songhai
Spain
Sweden
Switzerland
Teutonic Order
Tuscany
Venice
Wallachia
Wurzburg
4 generic Christian events
14 Renaissance events available for Western and Eastern tech countries
20 events for members and neighbors of the Swabian League
10 events for countries sponsoring Barbary pirates (and their victims)
19 events covering the Enlightenment
4 events for the Scientific Revolution