| North Atlantic Treaty Organization | | News |
| North Sakhalin in Return for Arms | | Country |
| North-West declares for the government | | Country |
| Norway requests Narvik back | | Country |
| Norwegian Royal Family Arrives | | Country |
| Norwegian Territorial Demands | | Country |
| Nygaardsvold's Cabinet | | Country |
| Occupation of Tangier | | Country |
| Occupation of Tangier | | Country |
| Occupation of Tangier | | Country |
| Occupied Italian Territory | | Country |
| Occupy Albania | | Unit Leader |
| Occupying the East Hebei Autonomous Government | | Country |
| Of Afghanistan Requests Aid | | Country |
| Offers us a Customs Union Treaty | | Country |
| Officers from the other nation Arrive | | Country |
| Officers Revolt in Russia! | | News |
| Officers support the government | | Country |
| Oil Worker Strike | | Country |
| Okada Killed at Tokyo Station | | Country |
| Old Ally Suggests Trade Deal | | Country |
| Only Britain Attends Heraklion Convention | | Country |
| Only France Attends Heraklion Convention | | Country |
| Only Italy Attends Heraklion Convention | | Country |
| Operation Biting succeeds | | Country |
| Operation Black Oak | | Country |
| Operation Bolivar Disrupted in Brazil | | Country |
| Operation Gunnerside succeeds | | Country |
| Operation Just Cause Fails | | Country |
| Operation Just Cause Succeeds | | Country |
| Operation Panzerfaust is a Failure | | Country |
| Operation Panzerfaust is a Success | | Country |
| Operation to Imprison Agrarian Union Leaders | | Country |
| Operation to Imprison Agrarian Union Leaders | | Country |
| Operation to Imprison Agrarian Union Leaders | | Country |
| Operation to Imprison Leaders of the Broad Socialists | | Country |
| Operation to Imprison Leaders of the Broad Socialists | | Country |
| Operation to Imprison Leaders of the Broad Socialists | | Country |
| Operation to Imprison National Social Movement Leaders | | Country |
| Operation to Imprison National Social Movement Leaders | | Country |
| Operation to Imprison National Social Movement Leaders | | Country |
| Operation to Imprison Zveno Leaders | | Country |
| Operation to Imprison Zveno Leaders | | Country |
| Operation to Imprison Zveno Leaders | | Country |
| Operation Vengeance Averted | | Country |
| Operations in the other nation Disrupted | | Country |
| Opportunity for Increased Fort Spending | | Country |
| Opposition suffers defeat in the Senate | | Country |
| Oppress Estonia | | Country |
| Oppress Latvia | | Country |
