diff --git a/generate.js b/generate.js
index 161fd25..8e0b742 100755
--- a/generate.js
+++ b/generate.js
@@ -60,7 +60,7 @@ const lastUpdate = new Date(lastGlobalDeathsUpdate > lastUSDeathsUpdate ?
 );
 
 const zeroPad = value => value < 10 ? `0${value}` : value.toString();
-const toSafeName = x => x.replace(/[^A-Za-z]/g, '-').toLowerCase();
+const toSafeName = x => x.replace(/[^A-Za-z0-9]/g, '-').toLowerCase();
 
 const processRecords = async () => {
 	const globalStart = Date.now();
@@ -178,6 +178,8 @@ const processRecords = async () => {
 	countryPopulationMap['Diamond Princess'] = statePopulationMap['Diamond Princess'] = 3711;
 	countryPopulationMap['MS Zaandam'] = 1829;
 	countryPopulationMap['Kosovo'] = 1810463;
+	countryPopulationMap['Antarctica'] = 3250; // https://worldpopulationreview.com/continents/antarctica-population
+	countryPopulationMap['Winter Olympics 2022'] = 2900;
 	statePopulationMap['Grand Princess'] = 3533;
 	if (statePopulationMap['Puerto Rico Commonwealth']) {
 		statePopulationMap['Puerto Rico'] = statePopulationMap['Puerto Rico Commonwealth'];