Highlights
The Year of Confusion
William L. Steen; DeMar Regier
People & Places
Leap Year, History World History, calendar, math
HL
620
B2
English
9781682381823
When Caesar followed the advice of an Egyptian astronomer and added ninety days to the year we know as 46 B.C., it became the longest and most confusing leap year in history!
Word lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Coverage |
|---|---|---|
| Eiken Grade 1 | 3,105 | 0% |
| Eiken Grade 2 | 866 | 0.46% |
| Eiken Grade 3 | 900 | 6.56% |
| Eiken Grade 4 | 600 | 9.67% |
| Eiken Grade 5 | 600 | 13.17% |
| Eiken Grade Pre1 | 2,868 | 0.1% |
| Eiken Grade Pre2 | 1,327 | 0.98% |
| Eiken Grade Pre2+ | 1,562 | 1.79% |
| NDL | 875 | 14.06% |
| NGSL 1 to 1,000 | 1,000 | 13.1% |
| NGSL 1,001 to 2,000 | 1,000 | 2.4% |
| NGSL 2,001 to 3,000 | 801 | 0.75% |
| NGSL Supplemental | 52 | 17.31% |
Grammar lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Unique | Coverage | Unique |
|---|---|---|---|---|
| Eiken Grade Pre1 | 94 | 94 | 0% | 0% |
| Eiken Grade 2 | 123 | 122 | 0% | 0% |
| Eiken Grade Pre2 | 111 | 108 | 0% | 0% |
| Eiken Grade 3 | 48 | 47 | 0% | 0% |
| Eiken Grade 4 | 52 | 49 | 0% | 0% |
| Eiken Grade 5 | 176 | 139 | 0% | 0% |
| A1 | 352 | 316 | 0% | 0% |
| A2 | 949 | 893 | 0% | 0% |
| B1 | 1,126 | 1,106 | 0% | 0% |
| B2 | 775 | 760 | 0% | 0% |
| C1 | 402 | 395 | 0% | 0% |
| C2 | 312 | 308 | 0% | 0% |