How to say at one time in different languages

You can say at one time as à l'époque, en son temps, dans le temps, naguère in the following countries: Benin; Burkina Faso; Burundi; Central African Republic; Chad; Democratic Republic of the Congo; Djibouti; France; French Guiana; French Polynesia; French Southern Territories; Gabon; Guadeloupe; Guinea; Ivory Coast; Madagascar; Mali; Martinique; Mayotte; Monaco; Niger; Republic of the Congo; Reunion; Saint Barthelemy; Saint Martin; Saint Pierre and Miquelon; Senegal; Togo;

You can say at one time as a su tiempo, en su día, en tiempos in the following countries: Argentina; Bolivia; Chile; Colombia; Costa Rica; Cuba; Dominican Republic; Ecuador; El Salvador; Equatorial Guinea; Guatemala; Honduras; Mexico; Nicaragua; Panama; Paraguay; Peru; Spain; Uruguay; Venezuela;

You can say at one time as a seu tempo in the following countries: Angola; Brazil; Cabo Verde; Guinea-Bissau; Mozambique; Portugal; Sao Tome and Principe;

You can say at one time as 当年 in the following countries: China; Hong Kong; Macao; Taiwan;

You can say at one time as zu gegebener zeit, seiner zeit, zu seiner zeit, seinerzeit, im geeigneten augenblick, früher in the following countries: Austria; Germany; Liechtenstein; Switzerland;

You can say at one time as aikanaan in the following countries: Finland; Northern Mariana Islands;

You can say at one time as a tempo debito, ai suoi giorni in the following countries: Italy; San Marino;

You can say at one time as své doby in the following countries: Czechia;

You can say at one time as engang in the following countries: Denmark;

You can say at one time as annak idején in the following countries: Hungary;

You can say at one time as vienlaikus, vienlaicīgi, savulaik in the following countries: Latvia;

You can say at one time as в свое время in the following countries: Russia;

You can say at one time as свого часу in the following countries: Ukraine;