Similar to 保元
0
0
1
1
2
2▲1 trends
3
3▲1 trends
4
4
5
5
6
6
7
7
8
8▲1 trends
9
9
10
10
11
11 (number)
12
12 (number)
13
13 (number)
19
19 (number)
40
40 (number)70
70 (number)
100
100
400
400 (number)
700
700 (number)
1000
1000 (number)
1000000
1,000,000
安元
Angen
安和
Anna (era)
永延
Eien永観
Eikan
永久 (元号)
Eikyū
永治
Eiji (era)
